86523620

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{70921}}^1$

素因数の和:70991

約数の個数: 24

約数和(自身を含む): 184680888

約数和(自身を除く): 98157268

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 70921, 141842, 283684, 354605, 709210, 1418420, 4326181, 8652362, 17304724, 21630905, 43261810, 86523620]

約数ペア:

[(1, 86523620), (2, 43261810), (4, 21630905), (5, 17304724), (10, 8652362), (20, 4326181), (61, 1418420), (122, 709210), (244, 354605), (305, 283684), (610, 141842), (1220, 70921)]