161096720

素因数分解:

$2^4\times 5^1\times {\mathrm{2013709}}^1$

素因数の和:2013722

約数の個数: 20

約数和(自身を含む): 374550060

約数和(自身を除く): 213453340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2013709, 4027418, 8054836, 10068545, 16109672, 20137090, 32219344, 40274180, 80548360, 161096720]

約数ペア:

[(1, 161096720), (2, 80548360), (4, 40274180), (5, 32219344), (8, 20137090), (10, 16109672), (16, 10068545), (20, 8054836), (40, 4027418), (80, 2013709)]