8278940

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{2287}}^1$

素因数の和:2477

約数の個数: 24

約数和(自身を含む): 17489472

約数和(自身を除く): 9210532

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 2287, 3620, 4574, 9148, 11435, 22870, 45740, 413947, 827894, 1655788, 2069735, 4139470, 8278940]

約数ペア:

[(1, 8278940), (2, 4139470), (4, 2069735), (5, 1655788), (10, 827894), (20, 413947), (181, 45740), (362, 22870), (724, 11435), (905, 9148), (1810, 4574), (2287, 3620)]