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#include <cstdio>
using namespace std;
const int NMAX = 100000;
long long c[NMAX + 10];
void ciur() {
for(int i = 2; i <= NMAX; ++ i) {
c[i] = i;
}
for(int i = 2; i <= NMAX; ++ i) {
if(c[i] == i) {
for(long long j = i + i; j <= NMAX; j += i) {
c[j] = c[j] / i * (i - 1);
}
-- c[i];
}
}
}
int main() {
freopen("sum.in", "r", stdin);
freopen("sum.out", "w", stdout);
ciur();
int t, x;
scanf("%d", &t);
for( ; t; -- t) {
scanf("%d", &x);
printf("%lld\n", x * c[x] * 2);
}
return 0;
}