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  1. #include<stdio.h>
  2. #include<math.h>
  3. int main(){
  4. 	long long  n;
  5. 	scanf("%lld",&n);
  6. 	long long sum=0;
  7. 	for(long long  i=1;i<=sqrt(n);i++){
  8. 		if(n%i==0){
  9. 			if(i!=n/i){
  10. 				sum=sum+i+n/i;
  11. 			}
  12. 			else{
  13. 				sum=sum+i;
  14. 			}
  15. 		}
  16. 	}
  17. 	printf("%lld",sum);
  18. }
Success #stdin #stdout 0.01s 5364KB
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https://ideone.com/fechEs
language:
C (gcc 8.3)
created:
2 years ago
visibility:
secret

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