40530620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{155887}}^1$

素因数の和:155909

約数の個数: 24

約数和(自身を含む): 91662144

約数和(自身を除く): 51131524

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 155887, 311774, 623548, 779435, 1558870, 2026531, 3117740, 4053062, 8106124, 10132655, 20265310, 40530620]

約数ペア:

[(1, 40530620), (2, 20265310), (4, 10132655), (5, 8106124), (10, 4053062), (13, 3117740), (20, 2026531), (26, 1558870), (52, 779435), (65, 623548), (130, 311774), (260, 155887)]