156913090780

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{18635759}}^1$

素因数の和:18636189

約数の個数: 24

約数和(自身を含む): 330300210240

約数和(自身を除く): 173387119460

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 4210, 8420, 18635759, 37271518, 74543036, 93178795, 186357590, 372715180, 7845654539, 15691309078, 31382618156, 39228272695, 78456545390, 156913090780]

約数ペア:

[(1, 156913090780), (2, 78456545390), (4, 39228272695), (5, 31382618156), (10, 15691309078), (20, 7845654539), (421, 372715180), (842, 186357590), (1684, 93178795), (2105, 74543036), (4210, 37271518), (8420, 18635759)]