28648240

素因数分解:

$2^4\times 5^1\times {\mathrm{358103}}^1$

素因数の和:358116

約数の個数: 20

約数和(自身を含む): 66607344

約数和(自身を除く): 37959104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 358103, 716206, 1432412, 1790515, 2864824, 3581030, 5729648, 7162060, 14324120, 28648240]

約数ペア:

[(1, 28648240), (2, 14324120), (4, 7162060), (5, 5729648), (8, 3581030), (10, 2864824), (16, 1790515), (20, 1432412), (40, 716206), (80, 358103)]