4242020

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1877}}^1$

素因数の和:1999

約数の個数: 24

約数和(自身を含む): 8991864

約数和(自身を除く): 4749844

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 1877, 2260, 3754, 7508, 9385, 18770, 37540, 212101, 424202, 848404, 1060505, 2121010, 4242020]

約数ペア:

[(1, 4242020), (2, 2121010), (4, 1060505), (5, 848404), (10, 424202), (20, 212101), (113, 37540), (226, 18770), (452, 9385), (565, 7508), (1130, 3754), (1877, 2260)]