10154920

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1999}}^1$

素因数の和:2137

約数の個数: 32

約数和(自身を含む): 23040000

約数和(自身を除く): 12885080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 1999, 2540, 3998, 5080, 7996, 9995, 15992, 19990, 39980, 79960, 253873, 507746, 1015492, 1269365, 2030984, 2538730, 5077460, 10154920]

約数ペア:

[(1, 10154920), (2, 5077460), (4, 2538730), (5, 2030984), (8, 1269365), (10, 1015492), (20, 507746), (40, 253873), (127, 79960), (254, 39980), (508, 19990), (635, 15992), (1016, 9995), (1270, 7996), (1999, 5080), (2540, 3998)]