26421237020

素因数分解:

$2^2\times 5^1\times {\mathrm{1321061851}}^1$

素因数の和:1321061860

約数の個数: 12

約数和(自身を含む): 55484597784

約数和(自身を除く): 29063360764

約数列:

[1, 2, 4, 5, 10, 20, 1321061851, 2642123702, 5284247404, 6605309255, 13210618510, 26421237020]

約数ペア:

[(1, 26421237020), (2, 13210618510), (4, 6605309255), (5, 5284247404), (10, 2642123702), (20, 1321061851)]