210840680

素因数分解:

$2^3\times 5^1\times {\mathrm{337}}^1\times {\mathrm{15641}}^1$

素因数の和:15989

約数の個数: 32

約数和(自身を含む): 475829640

約数和(自身を除く): 264988960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 337, 674, 1348, 1685, 2696, 3370, 6740, 13480, 15641, 31282, 62564, 78205, 125128, 156410, 312820, 625640, 5271017, 10542034, 21084068, 26355085, 42168136, 52710170, 105420340, 210840680]

約数ペア:

[(1, 210840680), (2, 105420340), (4, 52710170), (5, 42168136), (8, 26355085), (10, 21084068), (20, 10542034), (40, 5271017), (337, 625640), (674, 312820), (1348, 156410), (1685, 125128), (2696, 78205), (3370, 62564), (6740, 31282), (13480, 15641)]