87685240

素因数分解:

$2^3\times 5^1\times {\mathrm{2192131}}^1$

素因数の和:2192142

約数の個数: 16

約数和(自身を含む): 197291880

約数和(自身を除く): 109606640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2192131, 4384262, 8768524, 10960655, 17537048, 21921310, 43842620, 87685240]

約数ペア:

[(1, 87685240), (2, 43842620), (4, 21921310), (5, 17537048), (8, 10960655), (10, 8768524), (20, 4384262), (40, 2192131)]