87381620

素因数分解:

$2^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{12377}}^1$

素因数の和:12739

約数の個数: 24

約数和(自身を含む): 184036104

約数和(自身を除く): 96654484

約数列:

[1, 2, 4, 5, 10, 20, 353, 706, 1412, 1765, 3530, 7060, 12377, 24754, 49508, 61885, 123770, 247540, 4369081, 8738162, 17476324, 21845405, 43690810, 87381620]

約数ペア:

[(1, 87381620), (2, 43690810), (4, 21845405), (5, 17476324), (10, 8738162), (20, 4369081), (353, 247540), (706, 123770), (1412, 61885), (1765, 49508), (3530, 24754), (7060, 12377)]