80006780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{571477}}^1$

素因数の和:571493

約数の個数: 24

約数和(自身を含む): 192016608

約数和(自身を除く): 112009828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 571477, 1142954, 2285908, 2857385, 4000339, 5714770, 8000678, 11429540, 16001356, 20001695, 40003390, 80006780]

約数ペア:

[(1, 80006780), (2, 40003390), (4, 20001695), (5, 16001356), (7, 11429540), (10, 8000678), (14, 5714770), (20, 4000339), (28, 2857385), (35, 2285908), (70, 1142954), (140, 571477)]