2808820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{20063}}^1$

素因数の和:20079

約数の個数: 24

約数和(自身を含む): 6741504

約数和(自身を除く): 3932684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 20063, 40126, 80252, 100315, 140441, 200630, 280882, 401260, 561764, 702205, 1404410, 2808820]

約数ペア:

[(1, 2808820), (2, 1404410), (4, 702205), (5, 561764), (7, 401260), (10, 280882), (14, 200630), (20, 140441), (28, 100315), (35, 80252), (70, 40126), (140, 20063)]