254447260

素因数分解:

$2^2\times 5^1\times {\mathrm{1609}}^1\times {\mathrm{7907}}^1$

素因数の和:9525

約数の個数: 24

約数和(自身を含む): 534738960

約数和(自身を除く): 280291700

約数列:

[1, 2, 4, 5, 10, 20, 1609, 3218, 6436, 7907, 8045, 15814, 16090, 31628, 32180, 39535, 79070, 158140, 12722363, 25444726, 50889452, 63611815, 127223630, 254447260]

約数ペア:

[(1, 254447260), (2, 127223630), (4, 63611815), (5, 50889452), (10, 25444726), (20, 12722363), (1609, 158140), (3218, 79070), (6436, 39535), (7907, 32180), (8045, 31628), (15814, 16090)]