17180720

素因数分解:

$2^4\times 5^1\times {\mathrm{214759}}^1$

素因数の和:214772

約数の個数: 20

約数和(自身を含む): 39945360

約数和(自身を除く): 22764640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 214759, 429518, 859036, 1073795, 1718072, 2147590, 3436144, 4295180, 8590360, 17180720]

約数ペア:

[(1, 17180720), (2, 8590360), (4, 4295180), (5, 3436144), (8, 2147590), (10, 1718072), (16, 1073795), (20, 859036), (40, 429518), (80, 214759)]