39392720

素因数分解:

$2^4\times 5^1\times {\mathrm{492409}}^1$

素因数の和:492422

約数の個数: 20

約数和(自身を含む): 91588260

約数和(自身を除く): 52195540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 492409, 984818, 1969636, 2462045, 3939272, 4924090, 7878544, 9848180, 19696360, 39392720]

約数ペア:

[(1, 39392720), (2, 19696360), (4, 9848180), (5, 7878544), (8, 4924090), (10, 3939272), (16, 2462045), (20, 1969636), (40, 984818), (80, 492409)]