40987636

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{539311}}^1$

素因数の和:539334

約数の個数: 12

約数和(自身を含む): 75503680

約数和(自身を除く): 34516044

約数列:

[1, 2, 4, 19, 38, 76, 539311, 1078622, 2157244, 10246909, 20493818, 40987636]

約数ペア:

[(1, 40987636), (2, 20493818), (4, 10246909), (19, 2157244), (38, 1078622), (76, 539311)]