86540620

素因数分解:

$2^2\times 5^1\times {\mathrm{4327031}}^1$

素因数の和:4327040

約数の個数: 12

約数和(自身を含む): 181735344

約数和(自身を除く): 95194724

約数列:

[1, 2, 4, 5, 10, 20, 4327031, 8654062, 17308124, 21635155, 43270310, 86540620]

約数ペア:

[(1, 86540620), (2, 43270310), (4, 21635155), (5, 17308124), (10, 8654062), (20, 4327031)]