1557620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4099}}^1$

素因数の和:4127

約数の個数: 24

約数和(自身を含む): 3444000

約数和(自身を除く): 1886380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 4099, 8198, 16396, 20495, 40990, 77881, 81980, 155762, 311524, 389405, 778810, 1557620]

約数ペア:

[(1, 1557620), (2, 778810), (4, 389405), (5, 311524), (10, 155762), (19, 81980), (20, 77881), (38, 40990), (76, 20495), (95, 16396), (190, 8198), (380, 4099)]