66286420

素因数分解:

$2^2\times 5^1\times {\mathrm{1579}}^1\times {\mathrm{2099}}^1$

素因数の和:3687

約数の個数: 24

約数和(自身を含む): 139356000

約数和(自身を除く): 73069580

約数列:

[1, 2, 4, 5, 10, 20, 1579, 2099, 3158, 4198, 6316, 7895, 8396, 10495, 15790, 20990, 31580, 41980, 3314321, 6628642, 13257284, 16571605, 33143210, 66286420]

約数ペア:

[(1, 66286420), (2, 33143210), (4, 16571605), (5, 13257284), (10, 6628642), (20, 3314321), (1579, 41980), (2099, 31580), (3158, 20990), (4198, 15790), (6316, 10495), (7895, 8396)]