2787620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{12671}}^1$

素因数の和:12691

約数の個数: 24

約数和(自身を含む): 6386688

約数和(自身を除く): 3599068

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 12671, 25342, 50684, 63355, 126710, 139381, 253420, 278762, 557524, 696905, 1393810, 2787620]

約数ペア:

[(1, 2787620), (2, 1393810), (4, 696905), (5, 557524), (10, 278762), (11, 253420), (20, 139381), (22, 126710), (44, 63355), (55, 50684), (110, 25342), (220, 12671)]