8140400

素因数分解:

$2^4\times 5^2\times {\mathrm{47}}^1\times {\mathrm{433}}^1$

素因数の和:498

約数の個数: 60

約数和(自身を含む): 20019552

約数和(自身を除く): 11879152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 47, 50, 80, 94, 100, 188, 200, 235, 376, 400, 433, 470, 752, 866, 940, 1175, 1732, 1880, 2165, 2350, 3464, 3760, 4330, 4700, 6928, 8660, 9400, 10825, 17320, 18800, 20351, 21650, 34640, 40702, 43300, 81404, 86600, 101755, 162808, 173200, 203510, 325616, 407020, 508775, 814040, 1017550, 1628080, 2035100, 4070200, 8140400]

約数ペア:

[(1, 8140400), (2, 4070200), (4, 2035100), (5, 1628080), (8, 1017550), (10, 814040), (16, 508775), (20, 407020), (25, 325616), (40, 203510), (47, 173200), (50, 162808), (80, 101755), (94, 86600), (100, 81404), (188, 43300), (200, 40702), (235, 34640), (376, 21650), (400, 20351), (433, 18800), (470, 17320), (752, 10825), (866, 9400), (940, 8660), (1175, 6928), (1732, 4700), (1880, 4330), (2165, 3760), (2350, 3464)]