42051280

素因数分解:

$2^4\times 5^1\times {\mathrm{525641}}^1$

素因数の和:525654

約数の個数: 20

約数和(自身を含む): 97769412

約数和(自身を除く): 55718132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 525641, 1051282, 2102564, 2628205, 4205128, 5256410, 8410256, 10512820, 21025640, 42051280]

約数ペア:

[(1, 42051280), (2, 21025640), (4, 10512820), (5, 8410256), (8, 5256410), (10, 4205128), (16, 2628205), (20, 2102564), (40, 1051282), (80, 525641)]