#include <cstdio>
#include <iostream>

using namespace std;

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

    ios_base::sync_with_stdio(false);
    cin.tie(0);

    int fi[100001];
    for (int i = 2; i <= 100000; i++) {
        fi[i] = i - 1;
    }
    for (int i = 2; i <= 100000; i++) {
        for (int j = i + i; j <= 100000; j += i) {
            fi[j] -= fi[i];
        }
    }
    int t;
    cin >> t;
    for (int i = 0; i < t; i++) {
        int x;
        cin >> x;
        cout << (long long)2 * fi[x] * x << "\n";
    }
    return 0;
}