1 x 61 is the only factor pair of 61.
1 and 61
1 x 61, 61 x 1
Itself and one because 61 is a prime number
The factor pairs of 122 are 1 x 122 and 2 x 61
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 for 38 are (1, 19) and (2, 38).
The factor pairs of 26 are: 1 × 26 2 × 13
1 and 61
53,1
1,3,149,447