C++ :

#include<bits/stdc++.h>
using namespace std;
int n,a[10000],t,ans,b[105];
bool cmp(int x,int y)
{
	return x>y;
}
int main()
{
//	freopen("748.in","r",stdin);
//	freopen("748.out","w",stdout);	
	cin>>n;
	for(int i=0;i<n;i++)
	{
		cin>>a[i];	
		b[a[i]]++;	
	}
	sort(a,a+n,cmp);
	int bj=0,nn=n;
	while(bj==0)
	{
		bj=1;
		for(int i=0;i<n-1;i++)
			for(int j=i+1;j<n;j++)
			{
				int x=a[i]/a[j];
				if(b[x]==0) a[nn++]=x,b[x]++,bj=0;
			}
		n=nn;
		sort(a,a+n,cmp);
	}
	cout<<n;
    return 0;
}