3815540

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2687}}^1$

素因数の和:2767

約数の個数: 24

約数和(自身を含む): 8128512

約数和(自身を除く): 4312972

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 2687, 5374, 10748, 13435, 26870, 53740, 190777, 381554, 763108, 953885, 1907770, 3815540]

約数ペア:

[(1, 3815540), (2, 1907770), (4, 953885), (5, 763108), (10, 381554), (20, 190777), (71, 53740), (142, 26870), (284, 13435), (355, 10748), (710, 5374), (1420, 2687)]