38403920

素因数分解:

$2^4\times 5^1\times {\mathrm{480049}}^1$

素因数の和:480062

約数の個数: 20

約数和(自身を含む): 89289300

約数和(自身を除く): 50885380

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 480049, 960098, 1920196, 2400245, 3840392, 4800490, 7680784, 9600980, 19201960, 38403920]

約数ペア:

[(1, 38403920), (2, 19201960), (4, 9600980), (5, 7680784), (8, 4800490), (10, 3840392), (16, 2400245), (20, 1920196), (40, 960098), (80, 480049)]