845100140

素因数分解:

$2^2\times 5^1\times {\mathrm{971}}^1\times {\mathrm{43517}}^1$

素因数の和:44497

約数の個数: 24

約数和(自身を含む): 1776578832

約数和(自身を除く): 931478692

約数列:

[1, 2, 4, 5, 10, 20, 971, 1942, 3884, 4855, 9710, 19420, 43517, 87034, 174068, 217585, 435170, 870340, 42255007, 84510014, 169020028, 211275035, 422550070, 845100140]

約数ペア:

[(1, 845100140), (2, 422550070), (4, 211275035), (5, 169020028), (10, 84510014), (20, 42255007), (971, 870340), (1942, 435170), (3884, 217585), (4855, 174068), (9710, 87034), (19420, 43517)]