28374800

素因数分解:

$2^4\times 5^2\times {\mathrm{70937}}^1$

素因数の和:70955

約数の個数: 30

約数和(自身を含む): 68171418

約数和(自身を除く): 39796618

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 70937, 141874, 283748, 354685, 567496, 709370, 1134992, 1418740, 1773425, 2837480, 3546850, 5674960, 7093700, 14187400, 28374800]

約数ペア:

[(1, 28374800), (2, 14187400), (4, 7093700), (5, 5674960), (8, 3546850), (10, 2837480), (16, 1773425), (20, 1418740), (25, 1134992), (40, 709370), (50, 567496), (80, 354685), (100, 283748), (200, 141874), (400, 70937)]