40990256

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{32429}}^1$

素因数の和:32516

約数の個数: 20

約数和(自身を含む): 80426400

約数和(自身を除く): 39436144

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 32429, 64858, 129716, 259432, 518864, 2561891, 5123782, 10247564, 20495128, 40990256]

約数ペア:

[(1, 40990256), (2, 20495128), (4, 10247564), (8, 5123782), (16, 2561891), (79, 518864), (158, 259432), (316, 129716), (632, 64858), (1264, 32429)]