#include <stdio.h>

#define nmax 100001

int main()
{
	freopen("sum.in", "r", stdin);
	freopen("sum.out", "w", stdout);

	int T, n, s[nmax], p[nmax];

	for (int i = 1; i < nmax; ++i)
		p[i] = i - 1;

	for (int i = 2; i < nmax; ++i)
		for (int j = 2 * i; j < nmax; j += i)
			p[j] -= p[i];

	scanf("%d", &T);

	for (int t = 1; t <= T; ++t) {
		scanf("%d", &n);
		printf("%lld\n", (long long)2 * n * p[n]);
	}

	return 0;
}