39443920

素因数分解:

$2^4\times 5^1\times {\mathrm{493049}}^1$

素因数の和:493062

約数の個数: 20

約数和(自身を含む): 91707300

約数和(自身を除く): 52263380

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 493049, 986098, 1972196, 2465245, 3944392, 4930490, 7888784, 9860980, 19721960, 39443920]

約数ペア:

[(1, 39443920), (2, 19721960), (4, 9860980), (5, 7888784), (8, 4930490), (10, 3944392), (16, 2465245), (20, 1972196), (40, 986098), (80, 493049)]