504040

素因数分解:

$2^3\times 5^1\times {\mathrm{12601}}^1$

素因数の和:12612

約数の個数: 16

約数和(自身を含む): 1134180

約数和(自身を除く): 630140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 12601, 25202, 50404, 63005, 100808, 126010, 252020, 504040]

約数ペア:

[(1, 504040), (2, 252020), (4, 126010), (5, 100808), (8, 63005), (10, 50404), (20, 25202), (40, 12601)]