Any number, including 65, can be divided by any other number, but the quotient may or may not be a whole number. If you're looking for a number by which 65 can be divided that will give you a quotient that is a whole number, that would be either 5 or 65.
42.7385
65 divided from 280 = 0.23214285714285715
65
436
0.0667
34
0.072
91.0462
65
115.5692
11076.9231
0.1544