1990042360

素因数分解:

$2^3\times 5^1\times {\mathrm{49751059}}^1$

素因数の和:49751070

約数の個数: 16

約数和(自身を含む): 4477595400

約数和(自身を除く): 2487553040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 49751059, 99502118, 199004236, 248755295, 398008472, 497510590, 995021180, 1990042360]

約数ペア:

[(1, 1990042360), (2, 995021180), (4, 497510590), (5, 398008472), (8, 248755295), (10, 199004236), (20, 99502118), (40, 49751059)]