156669740

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{61681}}^1$

素因数の和:61817

約数の個数: 24

約数和(自身を含む): 331602432

約数和(自身を除く): 174932692

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 61681, 123362, 246724, 308405, 616810, 1233620, 7833487, 15666974, 31333948, 39167435, 78334870, 156669740]

約数ペア:

[(1, 156669740), (2, 78334870), (4, 39167435), (5, 31333948), (10, 15666974), (20, 7833487), (127, 1233620), (254, 616810), (508, 308405), (635, 246724), (1270, 123362), (2540, 61681)]