40692880

素因数分解:

$2^4\times 5^1\times {\mathrm{508661}}^1$

素因数の和:508674

約数の個数: 20

約数和(自身を含む): 94611132

約数和(自身を除く): 53918252

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 508661, 1017322, 2034644, 2543305, 4069288, 5086610, 8138576, 10173220, 20346440, 40692880]

約数ペア:

[(1, 40692880), (2, 20346440), (4, 10173220), (5, 8138576), (8, 5086610), (10, 4069288), (16, 2543305), (20, 2034644), (40, 1017322), (80, 508661)]