38280800

素因数分解:

$2^5\times 5^2\times {\mathrm{109}}^1\times {\mathrm{439}}^1$

素因数の和:568

約数の個数: 72

約数和(自身を含む): 94525200

約数和(自身を除く): 56244400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 109, 160, 200, 218, 400, 436, 439, 545, 800, 872, 878, 1090, 1744, 1756, 2180, 2195, 2725, 3488, 3512, 4360, 4390, 5450, 7024, 8720, 8780, 10900, 10975, 14048, 17440, 17560, 21800, 21950, 35120, 43600, 43900, 47851, 70240, 87200, 87800, 95702, 175600, 191404, 239255, 351200, 382808, 478510, 765616, 957020, 1196275, 1531232, 1914040, 2392550, 3828080, 4785100, 7656160, 9570200, 19140400, 38280800]

約数ペア:

[(1, 38280800), (2, 19140400), (4, 9570200), (5, 7656160), (8, 4785100), (10, 3828080), (16, 2392550), (20, 1914040), (25, 1531232), (32, 1196275), (40, 957020), (50, 765616), (80, 478510), (100, 382808), (109, 351200), (160, 239255), (200, 191404), (218, 175600), (400, 95702), (436, 87800), (439, 87200), (545, 70240), (800, 47851), (872, 43900), (878, 43600), (1090, 35120), (1744, 21950), (1756, 21800), (2180, 17560), (2195, 17440), (2725, 14048), (3488, 10975), (3512, 10900), (4360, 8780), (4390, 8720), (5450, 7024)]