65573540

素因数分解:

$2^2\times 5^1\times {\mathrm{1571}}^1\times {\mathrm{2087}}^1$

素因数の和:3667

約数の個数: 24

約数和(自身を含む): 137858112

約数和(自身を除く): 72284572

約数列:

[1, 2, 4, 5, 10, 20, 1571, 2087, 3142, 4174, 6284, 7855, 8348, 10435, 15710, 20870, 31420, 41740, 3278677, 6557354, 13114708, 16393385, 32786770, 65573540]

約数ペア:

[(1, 65573540), (2, 32786770), (4, 16393385), (5, 13114708), (10, 6557354), (20, 3278677), (1571, 41740), (2087, 31420), (3142, 20870), (4174, 15710), (6284, 10435), (7855, 8348)]