8454520

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2179}}^1$

素因数の和:2287

約数の個数: 32

約数和(自身を含む): 19227600

約数和(自身を除く): 10773080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 2179, 3880, 4358, 8716, 10895, 17432, 21790, 43580, 87160, 211363, 422726, 845452, 1056815, 1690904, 2113630, 4227260, 8454520]

約数ペア:

[(1, 8454520), (2, 4227260), (4, 2113630), (5, 1690904), (8, 1056815), (10, 845452), (20, 422726), (40, 211363), (97, 87160), (194, 43580), (388, 21790), (485, 17432), (776, 10895), (970, 8716), (1940, 4358), (2179, 3880)]