25166420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{40591}}^1$

素因数の和:40631

約数の個数: 24

約数和(自身を含む): 54555648

約数和(自身を除く): 29389228

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 40591, 81182, 162364, 202955, 405910, 811820, 1258321, 2516642, 5033284, 6291605, 12583210, 25166420]

約数ペア:

[(1, 25166420), (2, 12583210), (4, 6291605), (5, 5033284), (10, 2516642), (20, 1258321), (31, 811820), (62, 405910), (124, 202955), (155, 162364), (310, 81182), (620, 40591)]