253272020

素因数分解:

$2^2\times 5^1\times {\mathrm{12663601}}^1$

素因数の和:12663610

約数の個数: 12

約数和(自身を含む): 531871284

約数和(自身を除く): 278599264

約数列:

[1, 2, 4, 5, 10, 20, 12663601, 25327202, 50654404, 63318005, 126636010, 253272020]

約数ペア:

[(1, 253272020), (2, 126636010), (4, 63318005), (5, 50654404), (10, 25327202), (20, 12663601)]