5-E
Simple site for the info you need...
import-module ActiveDirectory
$groups = Get-ADGroup –Filter * | Select Name
foreach ($group in $groups){
if ((Get-ADGroupmember -Identity $group.name).count -ne $Null) {
$count = (Get-ADGroupmember -Identity $group.name).count
}
else {
$count = 0
}
($group.Name +" has "+$count+" members") | Out-File -append groups.txt
}