1531170040

素因数分解:

$2^3\times 5^1\times {\mathrm{38279251}}^1$

素因数の和:38279262

約数の個数: 16

約数和(自身を含む): 3445132680

約数和(自身を除く): 1913962640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 38279251, 76558502, 153117004, 191396255, 306234008, 382792510, 765585020, 1531170040]

約数ペア:

[(1, 1531170040), (2, 765585020), (4, 382792510), (5, 306234008), (8, 191396255), (10, 153117004), (20, 76558502), (40, 38279251)]