#include <fstream>

using namespace std;
const int N=100001;
int e[N];

int main()
{
    int i,n,j,nr;
    ifstream f("sum.in");
    ofstream g("sum.out");
    f>>n;
    for (i=1;i<N;i++)e[i]=i;
    for (i=2;i<N;i++)
        if (e[i]==i)
            for (j=i;j<N;j+=i)
                e[j]=e[j]/i*(i-1);
    for (i=1;i<=n;i++)
        {
            f>>nr;
            g<<(long long)e[nr]*2*nr<<"\n";
        }
    return 0;
}