17490160

素因数分解:

$2^4\times 5^1\times {\mathrm{218627}}^1$

素因数の和:218640

約数の個数: 20

約数和(自身を含む): 40664808

約数和(自身を除く): 23174648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 218627, 437254, 874508, 1093135, 1749016, 2186270, 3498032, 4372540, 8745080, 17490160]

約数ペア:

[(1, 17490160), (2, 8745080), (4, 4372540), (5, 3498032), (8, 2186270), (10, 1749016), (16, 1093135), (20, 874508), (40, 437254), (80, 218627)]