68277640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89839}}^1$

素因数の和:89869

約数の個数: 32

約数和(自身を含む): 161712000

約数和(自身を除く): 93434360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 89839, 179678, 359356, 449195, 718712, 898390, 1706941, 1796780, 3413882, 3593560, 6827764, 8534705, 13655528, 17069410, 34138820, 68277640]

約数ペア:

[(1, 68277640), (2, 34138820), (4, 17069410), (5, 13655528), (8, 8534705), (10, 6827764), (19, 3593560), (20, 3413882), (38, 1796780), (40, 1706941), (76, 898390), (95, 718712), (152, 449195), (190, 359356), (380, 179678), (760, 89839)]