25203920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{45007}}^1$

素因数の和:45027

約数の個数: 40

約数和(自身を含む): 66971904

約数和(自身を除く): 41767984

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 45007, 90014, 180028, 225035, 315049, 360056, 450070, 630098, 720112, 900140, 1260196, 1575245, 1800280, 2520392, 3150490, 3600560, 5040784, 6300980, 12601960, 25203920]

約数ペア:

[(1, 25203920), (2, 12601960), (4, 6300980), (5, 5040784), (7, 3600560), (8, 3150490), (10, 2520392), (14, 1800280), (16, 1575245), (20, 1260196), (28, 900140), (35, 720112), (40, 630098), (56, 450070), (70, 360056), (80, 315049), (112, 225035), (140, 180028), (280, 90014), (560, 45007)]