80889020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{94057}}^1$

素因数の和:94109

約数の個数: 24

約数和(自身を含む): 173819184

約数和(自身を除く): 92930164

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 94057, 188114, 376228, 470285, 940570, 1881140, 4044451, 8088902, 16177804, 20222255, 40444510, 80889020]

約数ペア:

[(1, 80889020), (2, 40444510), (4, 20222255), (5, 16177804), (10, 8088902), (20, 4044451), (43, 1881140), (86, 940570), (172, 470285), (215, 376228), (430, 188114), (860, 94057)]