51857200

素因数分解:

$2^4\times 5^2\times {\mathrm{129643}}^1$

素因数の和:129661

約数の個数: 30

約数和(自身を含む): 124587884

約数和(自身を除く): 72730684

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 129643, 259286, 518572, 648215, 1037144, 1296430, 2074288, 2592860, 3241075, 5185720, 6482150, 10371440, 12964300, 25928600, 51857200]

約数ペア:

[(1, 51857200), (2, 25928600), (4, 12964300), (5, 10371440), (8, 6482150), (10, 5185720), (16, 3241075), (20, 2592860), (25, 2074288), (40, 1296430), (50, 1037144), (80, 648215), (100, 518572), (200, 259286), (400, 129643)]