215682920

素因数分解:

$2^3\times 5^1\times {\mathrm{887}}^1\times {\mathrm{6079}}^1$

素因数の和:6977

約数の個数: 32

約数和(自身を含む): 485913600

約数和(自身を除く): 270230680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 887, 1774, 3548, 4435, 6079, 7096, 8870, 12158, 17740, 24316, 30395, 35480, 48632, 60790, 121580, 243160, 5392073, 10784146, 21568292, 26960365, 43136584, 53920730, 107841460, 215682920]

約数ペア:

[(1, 215682920), (2, 107841460), (4, 53920730), (5, 43136584), (8, 26960365), (10, 21568292), (20, 10784146), (40, 5392073), (887, 243160), (1774, 121580), (3548, 60790), (4435, 48632), (6079, 35480), (7096, 30395), (8870, 24316), (12158, 17740)]