All the factor pairs for 39 are:1 x 39and 3 x 13
1 and 39 3 and 13
The factor pairs of 39 are 1 x 39 and 3 x 13
(39,1)(13,3)
1 and 78 2 and 39 3 and 26 6 and 13
The factor pairs of 117 are 1 x 117, 3 x 39, and 9 x 13.
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, 78) (2, 39) (3, 26) (6, 13)
Oh, dude, factor pairs of 49? Like, let me think... okay, so we've got 1 and 49, and also 7 and 7. That's it. Easy peasy lemon squeezy.