87211840

素因数分解:

$2^6\times 5^1\times {\mathrm{272537}}^1$

素因数の和:272554

約数の個数: 28

約数和(自身を含む): 207673956

約数和(自身を除く): 120462116

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 272537, 545074, 1090148, 1362685, 2180296, 2725370, 4360592, 5450740, 8721184, 10901480, 17442368, 21802960, 43605920, 87211840]

約数ペア:

[(1, 87211840), (2, 43605920), (4, 21802960), (5, 17442368), (8, 10901480), (10, 8721184), (16, 5450740), (20, 4360592), (32, 2725370), (40, 2180296), (64, 1362685), (80, 1090148), (160, 545074), (320, 272537)]