126319280

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{12433}}^1$

素因数の和:12573

約数の個数: 40

約数和(自身を含む): 296028672

約数和(自身を除く): 169709392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 12433, 24866, 49732, 62165, 99464, 124330, 198928, 248660, 497320, 994640, 1578991, 3157982, 6315964, 7894955, 12631928, 15789910, 25263856, 31579820, 63159640, 126319280]

約数ペア:

[(1, 126319280), (2, 63159640), (4, 31579820), (5, 25263856), (8, 15789910), (10, 12631928), (16, 7894955), (20, 6315964), (40, 3157982), (80, 1578991), (127, 994640), (254, 497320), (508, 248660), (635, 198928), (1016, 124330), (1270, 99464), (2032, 62165), (2540, 49732), (5080, 24866), (10160, 12433)]