87163540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{106297}}^1$

素因数の和:106347

約数の個数: 24

約数和(自身を含む): 187509672

約数和(自身を除く): 100346132

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 106297, 212594, 425188, 531485, 1062970, 2125940, 4358177, 8716354, 17432708, 21790885, 43581770, 87163540]

約数ペア:

[(1, 87163540), (2, 43581770), (4, 21790885), (5, 17432708), (10, 8716354), (20, 4358177), (41, 2125940), (82, 1062970), (164, 531485), (205, 425188), (410, 212594), (820, 106297)]