80 has 5 factor pairs.
1 and 85 5 and 17
1 and 10, 2 and 5
1 and 5
The factor pairs of 26 are: 1 × 26 2 × 13
(1, 25) (5, 5)
Just one: 1 x 5
1 x 5, 5 x 1
80 has 5 factor pairs.
1 and 85 5 and 17
1 and 10, 2 and 5
The factor pairs of 215 are 1, 5, 43, and 215
The factor pairs of 50 are: 1 x 50 2 x 25 5 x 10
1 x 25 5 x 5
The factor pairs of 10 are 1*10, 2*5
1 and 5
1 and 5