85690480

素因数分解:

$2^4\times 5^1\times {\mathrm{1071131}}^1$

素因数の和:1071144

約数の個数: 20

約数和(自身を含む): 199230552

約数和(自身を除く): 113540072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1071131, 2142262, 4284524, 5355655, 8569048, 10711310, 17138096, 21422620, 42845240, 85690480]

約数ペア:

[(1, 85690480), (2, 42845240), (4, 21422620), (5, 17138096), (8, 10711310), (10, 8569048), (16, 5355655), (20, 4284524), (40, 2142262), (80, 1071131)]