31494620

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{11329}}^1$

素因数の和:11477

約数の個数: 24

約数和(自身を含む): 66620400

約数和(自身を除く): 35125780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 11329, 22658, 45316, 56645, 113290, 226580, 1574731, 3149462, 6298924, 7873655, 15747310, 31494620]

約数ペア:

[(1, 31494620), (2, 15747310), (4, 7873655), (5, 6298924), (10, 3149462), (20, 1574731), (139, 226580), (278, 113290), (556, 56645), (695, 45316), (1390, 22658), (2780, 11329)]