57218780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{69779}}^1$

素因数の和:69829

約数の個数: 24

約数和(自身を含む): 123091920

約数和(自身を除く): 65873140

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 69779, 139558, 279116, 348895, 697790, 1395580, 2860939, 5721878, 11443756, 14304695, 28609390, 57218780]

約数ペア:

[(1, 57218780), (2, 28609390), (4, 14304695), (5, 11443756), (10, 5721878), (20, 2860939), (41, 1395580), (82, 697790), (164, 348895), (205, 279116), (410, 139558), (820, 69779)]