40138578

素因数分解:

$2^1\times 3^4\times {\mathrm{247769}}^1$

素因数の和:247783

約数の個数: 20

約数和(自身を含む): 89940510

約数和(自身を除く): 49801932

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 247769, 495538, 743307, 1486614, 2229921, 4459842, 6689763, 13379526, 20069289, 40138578]

約数ペア:

[(1, 40138578), (2, 20069289), (3, 13379526), (6, 6689763), (9, 4459842), (18, 2229921), (27, 1486614), (54, 743307), (81, 495538), (162, 247769)]