54687680

素因数分解:

$2^6\times 5^1\times {\mathrm{170899}}^1$

素因数の和:170916

約数の個数: 28

約数和(自身を含む): 130225800

約数和(自身を除く): 75538120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 170899, 341798, 683596, 854495, 1367192, 1708990, 2734384, 3417980, 5468768, 6835960, 10937536, 13671920, 27343840, 54687680]

約数ペア:

[(1, 54687680), (2, 27343840), (4, 13671920), (5, 10937536), (8, 6835960), (10, 5468768), (16, 3417980), (20, 2734384), (32, 1708990), (40, 1367192), (64, 854495), (80, 683596), (160, 341798), (320, 170899)]