89965340

素因数分解:

$2^2\times 5^1\times {\mathrm{1979}}^1\times {\mathrm{2273}}^1$

素因数の和:4261

約数の個数: 24

約数和(自身を含む): 189105840

約数和(自身を除く): 99140500

約数列:

[1, 2, 4, 5, 10, 20, 1979, 2273, 3958, 4546, 7916, 9092, 9895, 11365, 19790, 22730, 39580, 45460, 4498267, 8996534, 17993068, 22491335, 44982670, 89965340]

約数ペア:

[(1, 89965340), (2, 44982670), (4, 22491335), (5, 17993068), (10, 8996534), (20, 4498267), (1979, 45460), (2273, 39580), (3958, 22730), (4546, 19790), (7916, 11365), (9092, 9895)]