40031540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{64567}}^1$

素因数の和:64607

約数の個数: 24

約数和(自身を含む): 86779392

約数和(自身を除く): 46747852

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 64567, 129134, 258268, 322835, 645670, 1291340, 2001577, 4003154, 8006308, 10007885, 20015770, 40031540]

約数ペア:

[(1, 40031540), (2, 20015770), (4, 10007885), (5, 8006308), (10, 4003154), (20, 2001577), (31, 1291340), (62, 645670), (124, 322835), (155, 258268), (310, 129134), (620, 64567)]