9895840

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{487}}^1$

素因数の和:629

約数の個数: 48

約数和(自身を含む): 23611392

約数和(自身を除く): 13715552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 487, 508, 635, 974, 1016, 1270, 1948, 2032, 2435, 2540, 3896, 4064, 4870, 5080, 7792, 9740, 10160, 15584, 19480, 20320, 38960, 61849, 77920, 123698, 247396, 309245, 494792, 618490, 989584, 1236980, 1979168, 2473960, 4947920, 9895840]

約数ペア:

[(1, 9895840), (2, 4947920), (4, 2473960), (5, 1979168), (8, 1236980), (10, 989584), (16, 618490), (20, 494792), (32, 309245), (40, 247396), (80, 123698), (127, 77920), (160, 61849), (254, 38960), (487, 20320), (508, 19480), (635, 15584), (974, 10160), (1016, 9740), (1270, 7792), (1948, 5080), (2032, 4870), (2435, 4064), (2540, 3896)]