181410220

素因数分解:

$2^2\times 5^1\times {\mathrm{1109}}^1\times {\mathrm{8179}}^1$

素因数の和:9297

約数の個数: 24

約数和(自身を含む): 381351600

約数和(自身を除く): 199941380

約数列:

[1, 2, 4, 5, 10, 20, 1109, 2218, 4436, 5545, 8179, 11090, 16358, 22180, 32716, 40895, 81790, 163580, 9070511, 18141022, 36282044, 45352555, 90705110, 181410220]

約数ペア:

[(1, 181410220), (2, 90705110), (4, 45352555), (5, 36282044), (10, 18141022), (20, 9070511), (1109, 163580), (2218, 81790), (4436, 40895), (5545, 32716), (8179, 22180), (11090, 16358)]