137757640

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{12433}}^1$

素因数の和:12721

約数の個数: 32

約数和(自身を含む): 311098680

約数和(自身を除く): 173341040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1385, 2216, 2770, 5540, 11080, 12433, 24866, 49732, 62165, 99464, 124330, 248660, 497320, 3443941, 6887882, 13775764, 17219705, 27551528, 34439410, 68878820, 137757640]

約数ペア:

[(1, 137757640), (2, 68878820), (4, 34439410), (5, 27551528), (8, 17219705), (10, 13775764), (20, 6887882), (40, 3443941), (277, 497320), (554, 248660), (1108, 124330), (1385, 99464), (2216, 62165), (2770, 49732), (5540, 24866), (11080, 12433)]