39675640

素因数分解:

$2^3\times 5^1\times {\mathrm{709}}^1\times {\mathrm{1399}}^1$

素因数の和:2119

約数の個数: 32

約数和(自身を含む): 89460000

約数和(自身を除く): 49784360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 709, 1399, 1418, 2798, 2836, 3545, 5596, 5672, 6995, 7090, 11192, 13990, 14180, 27980, 28360, 55960, 991891, 1983782, 3967564, 4959455, 7935128, 9918910, 19837820, 39675640]

約数ペア:

[(1, 39675640), (2, 19837820), (4, 9918910), (5, 7935128), (8, 4959455), (10, 3967564), (20, 1983782), (40, 991891), (709, 55960), (1399, 28360), (1418, 27980), (2798, 14180), (2836, 13990), (3545, 11192), (5596, 7090), (5672, 6995)]