2009016920

素因数分解:

$2^3\times 5^1\times {\mathrm{50225423}}^1$

素因数の和:50225434

約数の個数: 16

約数和(自身を含む): 4520288160

約数和(自身を除く): 2511271240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 50225423, 100450846, 200901692, 251127115, 401803384, 502254230, 1004508460, 2009016920]

約数ペア:

[(1, 2009016920), (2, 1004508460), (4, 502254230), (5, 401803384), (8, 251127115), (10, 200901692), (20, 100450846), (40, 50225423)]