from math import sqrt
def suma_dzielnikow(n):
suma = n + 1
for i in range(2, int(sqrt(n)) + 1):
if n % i == 0:
suma += 1
if i != n // i:
suma += n // i
return suma
print(suma_dzielnikow(7))
print(suma_dzielnikow(25))
print(suma_dzielnikow(123))
print(suma_dzielnikow(1234))
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