84081520

素因数分解:

$2^4\times 5^1\times {\mathrm{1051019}}^1$

素因数の和:1051032

約数の個数: 20

約数和(自身を含む): 195489720

約数和(自身を除く): 111408200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1051019, 2102038, 4204076, 5255095, 8408152, 10510190, 16816304, 21020380, 42040760, 84081520]

約数ペア:

[(1, 84081520), (2, 42040760), (4, 21020380), (5, 16816304), (8, 10510190), (10, 8408152), (16, 5255095), (20, 4204076), (40, 2102038), (80, 1051019)]