12655180

素因数分解:

$2^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{1321}}^1$

素因数の和:1809

約数の個数: 24

約数和(自身を含む): 26651520

約数和(自身を除く): 13996340

約数列:

[1, 2, 4, 5, 10, 20, 479, 958, 1321, 1916, 2395, 2642, 4790, 5284, 6605, 9580, 13210, 26420, 632759, 1265518, 2531036, 3163795, 6327590, 12655180]

約数ペア:

[(1, 12655180), (2, 6327590), (4, 3163795), (5, 2531036), (10, 1265518), (20, 632759), (479, 26420), (958, 13210), (1321, 9580), (1916, 6605), (2395, 5284), (2642, 4790)]