28648660

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{11279}}^1$

素因数の和:11415

約数の個数: 24

約数和(自身を含む): 60641280

約数和(自身を除く): 31992620

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 11279, 22558, 45116, 56395, 112790, 225580, 1432433, 2864866, 5729732, 7162165, 14324330, 28648660]

約数ペア:

[(1, 28648660), (2, 14324330), (4, 7162165), (5, 5729732), (10, 2864866), (20, 1432433), (127, 225580), (254, 112790), (508, 56395), (635, 45116), (1270, 22558), (2540, 11279)]