Only 1 and 401 since 401 is a Prime number.
A factor can divide into its multiple evenly.
2 and 60 will divide evenly into 120.
401 does not divide evenly into a whole number, but do not fret, it is quite simple. 400 divided by 2 = 200. 1 divided by 2 = 1/2 or .5 So... 401 divided by 2 = 200.5
2010
1, 2, 4, 5, 10, and 20 divide evenly into 20.
These are the numbers that divide into 28 evenly: 1, 2, 4, 7, 14, 28.
They are called factors or divisors.
divisors
1 and 19.
1 and 13
5 & 17
Any of its factors