28504040

素因数分解:

$2^3\times 5^1\times {\mathrm{712601}}^1$

素因数の和:712612

約数の個数: 16

約数和(自身を含む): 64134180

約数和(自身を除く): 35630140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 712601, 1425202, 2850404, 3563005, 5700808, 7126010, 14252020, 28504040]

約数ペア:

[(1, 28504040), (2, 14252020), (4, 7126010), (5, 5700808), (8, 3563005), (10, 2850404), (20, 1425202), (40, 712601)]