28420120

素因数分解:

$2^3\times 5^1\times {\mathrm{710503}}^1$

素因数の和:710514

約数の個数: 16

約数和(自身を含む): 63945360

約数和(自身を除く): 35525240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 710503, 1421006, 2842012, 3552515, 5684024, 7105030, 14210060, 28420120]

約数ペア:

[(1, 28420120), (2, 14210060), (4, 7105030), (5, 5684024), (8, 3552515), (10, 2842012), (20, 1421006), (40, 710503)]