2005167980

素因数分解:

$2^2\times 5^1\times {\mathrm{1609}}^1\times {\mathrm{62311}}^1$

素因数の和:63929

約数の個数: 24

約数和(自身を含む): 4213537440

約数和(自身を除く): 2208369460

約数列:

[1, 2, 4, 5, 10, 20, 1609, 3218, 6436, 8045, 16090, 32180, 62311, 124622, 249244, 311555, 623110, 1246220, 100258399, 200516798, 401033596, 501291995, 1002583990, 2005167980]

約数ペア:

[(1, 2005167980), (2, 1002583990), (4, 501291995), (5, 401033596), (10, 200516798), (20, 100258399), (1609, 1246220), (3218, 623110), (6436, 311555), (8045, 249244), (16090, 124622), (32180, 62311)]