87137020

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{24071}}^1$

素因数の和:24261

約数の個数: 24

約数和(自身を含む): 184006368

約数和(自身を除く): 96869348

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 24071, 48142, 96284, 120355, 240710, 481420, 4356851, 8713702, 17427404, 21784255, 43568510, 87137020]

約数ペア:

[(1, 87137020), (2, 43568510), (4, 21784255), (5, 17427404), (10, 8713702), (20, 4356851), (181, 481420), (362, 240710), (724, 120355), (905, 96284), (1810, 48142), (3620, 24071)]