#include <fstream>
using namespace std;
ifstream cin("sum.in");
ofstream cout("sum.out");
int n, i, j, v[100005];
long long x;
int main()
{
    cin >> n;
    for(i=2;i<=100000;i++)
        v[i]=i-1;
    for(i=2;i<=100000;++i)
        for(j=2*i;j<=100000;j+=i)
            v[j]-=v[i];
    for (i=1;i<=n;i++)
    {
        cin>>x;
        cout<<x*v[x]*2<<'\n';
    }
    return 0;
}