#include <bits/stdc++.h>

using namespace std;
int T,n;
vector <int> Ciur(100005);
int main()
{
    freopen("sum.in","r",stdin);
    freopen("sum.out","w",stdout);
    for(int i=2;i<=100000;i++)
        Ciur[i]=i-1;
    for(int i=1;i<=100000;i++)
        for(int j=2*i;j<=100000;j+=i)
        Ciur[j]-=Ciur[i];
    cin>>T;
    while(T--)
    {
        cin>>n;
        cout<<1LL*2*Ciur[n]*n<<'\n';
    }
    return 0;
}