89941360

素因数分解:

$2^4\times 5^1\times {\mathrm{1124267}}^1$

素因数の和:1124280

約数の個数: 20

約数和(自身を含む): 209113848

約数和(自身を除く): 119172488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1124267, 2248534, 4497068, 5621335, 8994136, 11242670, 17988272, 22485340, 44970680, 89941360]

約数ペア:

[(1, 89941360), (2, 44970680), (4, 22485340), (5, 17988272), (8, 11242670), (10, 8994136), (16, 5621335), (20, 4497068), (40, 2248534), (80, 1124267)]