8547640

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2203}}^1$

素因数の和:2311

約数の個数: 32

約数和(自身を含む): 19439280

約数和(自身を除く): 10891640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 2203, 3880, 4406, 8812, 11015, 17624, 22030, 44060, 88120, 213691, 427382, 854764, 1068455, 1709528, 2136910, 4273820, 8547640]

約数ペア:

[(1, 8547640), (2, 4273820), (4, 2136910), (5, 1709528), (8, 1068455), (10, 854764), (20, 427382), (40, 213691), (97, 88120), (194, 44060), (388, 22030), (485, 17624), (776, 11015), (970, 8812), (1940, 4406), (2203, 3880)]