1 and 41
The factor pairs of 123 are 1 x 123 and 3 x 41
The factor pairs of 205 are 1 x 205 and 5 x 41.
The factors pairs of 82 are (1 x 82) and (2 x 41).
1x40, 2x20, 4x10, 5x8 are all the factor pairs of 40.
The factor pairs of 20 are: 20,1 / 10,2 / 5,4
The factor pairs of 20 are: 20,1 / 10,2 / 5,4
The factor pairs are all the factors of the number, just listed in pairs.
The factor pairs for 38 are (1, 19) and (2, 38).
The factor pairs of 26 are: 1 × 26 2 × 13
123 = 1 x 123, 3 x 41, 41 x 3, 123 x 1
There are only two factor pairs... 1 & 55 - and 5 & 11.