#include <fstream>
using namespace std;
int e[100001];
ifstream in("sum.in");
ofstream out("sum.out");
int main()
{
    int n, i, j, k;
	for (i=1;i<100001;++i) e[i] = i-1;
    for (i=2;i<100001;++i)
        for(j=2*i;j<100001;j+=i)
            e[j]-=e[i];
    in >> n;
    for(i=1;i<=n;i++)
    {
        in >> k;
        out << (long long)e[k]*2*k;
        out << "\n";
    }
    in.close();
    out.close();
    return 0;
}