fork download
copy 
  1. #include <iostream>
  2. #include<cmath>
  3. using namespace std;
  4. void pr(int n)
  5. {
  6.     long long sum = 0 ;
  7.     for (int i = 1 ; i*i <= n; i++)
  8.     {
  9.         if (n % i == 0)
  10.         {
  11.                 sum+=i;
  12.                 if (i*i != n)
  13.                 {
  14.                     sum+=n/i;
  15.                 }
  16.  
  17.         }
  18.  
  19.     }
  20.     cout << sum ;
  21.  
  22. }
  23. int main()
  24. {
  25.     cin.tie(0);
  26.     cin.sync_with_stdio(0);
  27.     long long n;
  28.     cin>>n;
  29.     pr(n) ;
  30.  
  31.     return 0;
  32. }
Success #stdin #stdout 0.01s 5312KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
875104776
https://ideone.com/nGwmi9
language:
C++ (gcc 8.3)
created:
13 days ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!