89943740

素因数分解:

$2^2\times 5^1\times {\mathrm{709}}^1\times {\mathrm{6343}}^1$

素因数の和:7061

約数の個数: 24

約数和(自身を含む): 189178080

約数和(自身を除く): 99234340

約数列:

[1, 2, 4, 5, 10, 20, 709, 1418, 2836, 3545, 6343, 7090, 12686, 14180, 25372, 31715, 63430, 126860, 4497187, 8994374, 17988748, 22485935, 44971870, 89943740]

約数ペア:

[(1, 89943740), (2, 44971870), (4, 22485935), (5, 17988748), (10, 8994374), (20, 4497187), (709, 126860), (1418, 63430), (2836, 31715), (3545, 25372), (6343, 14180), (7090, 12686)]