1..100 | foreach-Object {
Move-Item "Path/To/File/$($_)file.log" -Destination "Path/To/Folder/$($_)folder"
}
Так, ради спортивного интереса, на CMD :)
@for /L %%a IN (1,1,100) do @echo move "source/dir/%%afile.log" "dest/dir/%%afolder"
echo, естественно, убрать