8907140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{40487}}^1$

素因数の和:40507

約数の個数: 24

約数和(自身を含む): 20405952

約数和(自身を除く): 11498812

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 40487, 80974, 161948, 202435, 404870, 445357, 809740, 890714, 1781428, 2226785, 4453570, 8907140]

約数ペア:

[(1, 8907140), (2, 4453570), (4, 2226785), (5, 1781428), (10, 890714), (11, 809740), (20, 445357), (22, 404870), (44, 202435), (55, 161948), (110, 80974), (220, 40487)]