82406540

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{9787}}^1$

素因数の和:10217

約数の個数: 24

約数和(自身を含む): 173482512

約数和(自身を除く): 91075972

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 4210, 8420, 9787, 19574, 39148, 48935, 97870, 195740, 4120327, 8240654, 16481308, 20601635, 41203270, 82406540]

約数ペア:

[(1, 82406540), (2, 41203270), (4, 20601635), (5, 16481308), (10, 8240654), (20, 4120327), (421, 195740), (842, 97870), (1684, 48935), (2105, 39148), (4210, 19574), (8420, 9787)]