87681260

素因数分解:

$2^2\times 5^1\times {\mathrm{4384063}}^1$

素因数の和:4384072

約数の個数: 12

約数和(自身を含む): 184130688

約数和(自身を除く): 96449428

約数列:

[1, 2, 4, 5, 10, 20, 4384063, 8768126, 17536252, 21920315, 43840630, 87681260]

約数ペア:

[(1, 87681260), (2, 43840630), (4, 21920315), (5, 17536252), (10, 8768126), (20, 4384063)]