66429460

素因数分解:

$2^2\times 5^1\times {\mathrm{1637}}^1\times {\mathrm{2029}}^1$

素因数の和:3675

約数の個数: 24

約数和(自身を含む): 139655880

約数和(自身を除く): 73226420

約数列:

[1, 2, 4, 5, 10, 20, 1637, 2029, 3274, 4058, 6548, 8116, 8185, 10145, 16370, 20290, 32740, 40580, 3321473, 6642946, 13285892, 16607365, 33214730, 66429460]

約数ペア:

[(1, 66429460), (2, 33214730), (4, 16607365), (5, 13285892), (10, 6642946), (20, 3321473), (1637, 40580), (2029, 32740), (3274, 20290), (4058, 16370), (6548, 10145), (8116, 8185)]