86827640

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{9479}}^1$

素因数の和:9719

約数の個数: 32

約数和(自身を含む): 196236000

約数和(自身を除く): 109408360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 458, 916, 1145, 1832, 2290, 4580, 9160, 9479, 18958, 37916, 47395, 75832, 94790, 189580, 379160, 2170691, 4341382, 8682764, 10853455, 17365528, 21706910, 43413820, 86827640]

約数ペア:

[(1, 86827640), (2, 43413820), (4, 21706910), (5, 17365528), (8, 10853455), (10, 8682764), (20, 4341382), (40, 2170691), (229, 379160), (458, 189580), (916, 94790), (1145, 75832), (1832, 47395), (2290, 37916), (4580, 18958), (9160, 9479)]