108289640

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{44381}}^1$

素因数の和:44453

約数の個数: 32

約数和(自身を含む): 247651560

約数和(自身を除く): 139361920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 44381, 88762, 177524, 221905, 355048, 443810, 887620, 1775240, 2707241, 5414482, 10828964, 13536205, 21657928, 27072410, 54144820, 108289640]

約数ペア:

[(1, 108289640), (2, 54144820), (4, 27072410), (5, 21657928), (8, 13536205), (10, 10828964), (20, 5414482), (40, 2707241), (61, 1775240), (122, 887620), (244, 443810), (305, 355048), (488, 221905), (610, 177524), (1220, 88762), (2440, 44381)]