161457550

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{45481}}^1$

素因数の和:45564

約数の個数: 24

約数和(自身を含む): 304547472

約数和(自身を除く): 143089922

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 355, 710, 1775, 3550, 45481, 90962, 227405, 454810, 1137025, 2274050, 3229151, 6458302, 16145755, 32291510, 80728775, 161457550]

約数ペア:

[(1, 161457550), (2, 80728775), (5, 32291510), (10, 16145755), (25, 6458302), (50, 3229151), (71, 2274050), (142, 1137025), (355, 454810), (710, 227405), (1775, 90962), (3550, 45481)]