87173540

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{9839}}^1$

素因数の和:10291

約数の個数: 24

約数和(自身を含む): 183496320

約数和(自身を除く): 96322780

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 4430, 8860, 9839, 19678, 39356, 49195, 98390, 196780, 4358677, 8717354, 17434708, 21793385, 43586770, 87173540]

約数ペア:

[(1, 87173540), (2, 43586770), (4, 21793385), (5, 17434708), (10, 8717354), (20, 4358677), (443, 196780), (886, 98390), (1772, 49195), (2215, 39356), (4430, 19678), (8860, 9839)]