78010520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{278609}}^1$

素因数の和:278627

約数の個数: 32

約数和(自身を含む): 200599200

約数和(自身を除く): 122588680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 278609, 557218, 1114436, 1393045, 1950263, 2228872, 2786090, 3900526, 5572180, 7801052, 9751315, 11144360, 15602104, 19502630, 39005260, 78010520]

約数ペア:

[(1, 78010520), (2, 39005260), (4, 19502630), (5, 15602104), (7, 11144360), (8, 9751315), (10, 7801052), (14, 5572180), (20, 3900526), (28, 2786090), (35, 2228872), (40, 1950263), (56, 1393045), (70, 1114436), (140, 557218), (280, 278609)]