12799652020

素因数分解:

$2^2\times 5^1\times {\mathrm{1297}}^1\times {\mathrm{493433}}^1$

素因数の和:494739

約数の個数: 24

約数和(自身を含む): 26900047944

約数和(自身を除く): 14100395924

約数列:

[1, 2, 4, 5, 10, 20, 1297, 2594, 5188, 6485, 12970, 25940, 493433, 986866, 1973732, 2467165, 4934330, 9868660, 639982601, 1279965202, 2559930404, 3199913005, 6399826010, 12799652020]

約数ペア:

[(1, 12799652020), (2, 6399826010), (4, 3199913005), (5, 2559930404), (10, 1279965202), (20, 639982601), (1297, 9868660), (2594, 4934330), (5188, 2467165), (6485, 1973732), (12970, 986866), (25940, 493433)]