There are two:
125 = 1 x 125
125 = 5 x 25
The factor pairs of 125 are 1 x 125 and 5 x 25
1 x 125 5 x 25 That's it !
1x125 5x25
1 and 500, 2 and 250, 4 and 125, 5 and 100, 10 and 50, 20 and 25, a total of 6 factor pairs.
The factor pairs of 250 are: 1 x 250 2 x 125 5 x 50 10 x 25
(125,1)(25,5) (250,1)(125,2)(50,5)(25,10)
1x40, 2x20, 4x10, 5x8 are all the factor pairs of 40.
1 = 1 * 125 = 1*25, 5*5
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
250 = 1*250, 2*125, 5*50, 10*25