51348620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{36161}}^1$

素因数の和:36241

約数の個数: 24

約数和(自身を含む): 109353888

約数和(自身を除く): 58005268

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 36161, 72322, 144644, 180805, 361610, 723220, 2567431, 5134862, 10269724, 12837155, 25674310, 51348620]

約数ペア:

[(1, 51348620), (2, 25674310), (4, 12837155), (5, 10269724), (10, 5134862), (20, 2567431), (71, 723220), (142, 361610), (284, 180805), (355, 144644), (710, 72322), (1420, 36161)]