2647540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{18911}}^1$

素因数の和:18927

約数の個数: 24

約数和(自身を含む): 6354432

約数和(自身を除く): 3706892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 18911, 37822, 75644, 94555, 132377, 189110, 264754, 378220, 529508, 661885, 1323770, 2647540]

約数ペア:

[(1, 2647540), (2, 1323770), (4, 661885), (5, 529508), (7, 378220), (10, 264754), (14, 189110), (20, 132377), (28, 94555), (35, 75644), (70, 37822), (140, 18911)]