12628820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{15401}}^1$

素因数の和:15451

約数の個数: 24

約数和(自身を含む): 27169128

約数和(自身を除く): 14540308

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 15401, 30802, 61604, 77005, 154010, 308020, 631441, 1262882, 2525764, 3157205, 6314410, 12628820]

約数ペア:

[(1, 12628820), (2, 6314410), (4, 3157205), (5, 2525764), (10, 1262882), (20, 631441), (41, 308020), (82, 154010), (164, 77005), (205, 61604), (410, 30802), (820, 15401)]