2006780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5281}}^1$

素因数の和:5309

約数の個数: 24

約数和(自身を含む): 4436880

約数和(自身を除く): 2430100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 5281, 10562, 21124, 26405, 52810, 100339, 105620, 200678, 401356, 501695, 1003390, 2006780]

約数ペア:

[(1, 2006780), (2, 1003390), (4, 501695), (5, 401356), (10, 200678), (19, 105620), (20, 100339), (38, 52810), (76, 26405), (95, 21124), (190, 10562), (380, 5281)]