513020

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{227}}^1$

素因数の和:349

約数の個数: 24

約数和(自身を含む): 1091664

約数和(自身を除く): 578644

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 227, 452, 454, 565, 908, 1130, 1135, 2260, 2270, 4540, 25651, 51302, 102604, 128255, 256510, 513020]

約数ペア:

[(1, 513020), (2, 256510), (4, 128255), (5, 102604), (10, 51302), (20, 25651), (113, 4540), (226, 2270), (227, 2260), (452, 1135), (454, 1130), (565, 908)]