9825740

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1109}}^1$

素因数の和:1561

約数の個数: 24

約数和(自身を含む): 20699280

約数和(自身を除く): 10873540

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1109, 1772, 2215, 2218, 4430, 4436, 5545, 8860, 11090, 22180, 491287, 982574, 1965148, 2456435, 4912870, 9825740]

約数ペア:

[(1, 9825740), (2, 4912870), (4, 2456435), (5, 1965148), (10, 982574), (20, 491287), (443, 22180), (886, 11090), (1109, 8860), (1772, 5545), (2215, 4436), (2218, 4430)]