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Cod sursa(job #840590)
#include <stdio.h>
#include <math.h>
#include <stdlib.h>
int main()
{
FILE *f1, *f2;
int a, b, c, i;
int s = 0;
f1 = fopen("sumdiv.in", "r");
fscanf(f1,"%d%d", &a, &b);
c = a;
for(i=1;i<b;i++)
a *= c;
f2 = fopen("sumdiv.out", "w");
for(i=2;i<=a/2;i++)
if(a % i == 0)
s += i;
s += 1;
s += a;
fprintf(f2,"%d", s % 9901);
return 0;
}