28339120

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{7537}}^1$

素因数の和:7597

約数の個数: 40

約数和(自身を含む): 67299264

約数和(自身を除く): 38960144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 7537, 15074, 30148, 37685, 60296, 75370, 120592, 150740, 301480, 354239, 602960, 708478, 1416956, 1771195, 2833912, 3542390, 5667824, 7084780, 14169560, 28339120]

約数ペア:

[(1, 28339120), (2, 14169560), (4, 7084780), (5, 5667824), (8, 3542390), (10, 2833912), (16, 1771195), (20, 1416956), (40, 708478), (47, 602960), (80, 354239), (94, 301480), (188, 150740), (235, 120592), (376, 75370), (470, 60296), (752, 37685), (940, 30148), (1880, 15074), (3760, 7537)]