1271166040

素因数分解:

$2^3\times 5^1\times {\mathrm{31779151}}^1$

素因数の和:31779162

約数の個数: 16

約数和(自身を含む): 2860123680

約数和(自身を除く): 1588957640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 31779151, 63558302, 127116604, 158895755, 254233208, 317791510, 635583020, 1271166040]

約数ペア:

[(1, 1271166040), (2, 635583020), (4, 317791510), (5, 254233208), (8, 158895755), (10, 127116604), (20, 63558302), (40, 31779151)]