156639740

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{48049}}^1$

素因数の和:48221

約数の個数: 24

約数和(自身を含む): 330968400

約数和(自身を除く): 174328660

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 48049, 96098, 192196, 240245, 480490, 960980, 7831987, 15663974, 31327948, 39159935, 78319870, 156639740]

約数ペア:

[(1, 156639740), (2, 78319870), (4, 39159935), (5, 31327948), (10, 15663974), (20, 7831987), (163, 960980), (326, 480490), (652, 240245), (815, 192196), (1630, 96098), (3260, 48049)]