#include<fstream>

using namespace std;

int v[100002];
int n,i,j,x;

int main()
{
    ifstream f("sum.in");
    ofstream g("sum.out");

    for(i=1;i<=100000;++i)
        v[i]=i;
    for(i=2;i<=100000;++i)
        if(v[i]==i)
            for(j=i;j<=100000;j+=i)
                v[j]=v[j]/i*(i-1);

    f>>n;
    while(n--)
    {
        f>>x;
    g<<(long long)2*x*v[x]<<'\n';
    }
    return 0;
}