68560720

素因数分解:

$2^4\times 5^1\times {\mathrm{857009}}^1$

素因数の和:857022

約数の個数: 20

約数和(自身を含む): 159403860

約数和(自身を除く): 90843140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 857009, 1714018, 3428036, 4285045, 6856072, 8570090, 13712144, 17140180, 34280360, 68560720]

約数ペア:

[(1, 68560720), (2, 34280360), (4, 17140180), (5, 13712144), (8, 8570090), (10, 6856072), (16, 4285045), (20, 3428036), (40, 1714018), (80, 857009)]