123662180

素因数分解:

$2^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{12391}}^1$

素因数の和:12899

約数の個数: 24

約数和(自身を含む): 260232000

約数和(自身を除く): 136569820

約数列:

[1, 2, 4, 5, 10, 20, 499, 998, 1996, 2495, 4990, 9980, 12391, 24782, 49564, 61955, 123910, 247820, 6183109, 12366218, 24732436, 30915545, 61831090, 123662180]

約数ペア:

[(1, 123662180), (2, 61831090), (4, 30915545), (5, 24732436), (10, 12366218), (20, 6183109), (499, 247820), (998, 123910), (1996, 61955), (2495, 49564), (4990, 24782), (9980, 12391)]