28465520

素因数分解:

$2^4\times 5^1\times {\mathrm{355819}}^1$

素因数の和:355832

約数の個数: 20

約数和(自身を含む): 66182520

約数和(自身を除く): 37717000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 355819, 711638, 1423276, 1779095, 2846552, 3558190, 5693104, 7116380, 14232760, 28465520]

約数ペア:

[(1, 28465520), (2, 14232760), (4, 7116380), (5, 5693104), (8, 3558190), (10, 2846552), (16, 1779095), (20, 1423276), (40, 711638), (80, 355819)]