1643020

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{727}}^1$

素因数の和:849

約数の個数: 24

約数和(自身を含む): 3485664

約数和(自身を除く): 1842644

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 727, 1130, 1454, 2260, 2908, 3635, 7270, 14540, 82151, 164302, 328604, 410755, 821510, 1643020]

約数ペア:

[(1, 1643020), (2, 821510), (4, 410755), (5, 328604), (10, 164302), (20, 82151), (113, 14540), (226, 7270), (452, 3635), (565, 2908), (727, 2260), (1130, 1454)]