123210580

素因数分解:

$2^2\times 5^1\times {\mathrm{6160529}}^1$

素因数の和:6160538

約数の個数: 12

約数和(自身を含む): 258742260

約数和(自身を除く): 135531680

約数列:

[1, 2, 4, 5, 10, 20, 6160529, 12321058, 24642116, 30802645, 61605290, 123210580]

約数ペア:

[(1, 123210580), (2, 61605290), (4, 30802645), (5, 24642116), (10, 12321058), (20, 6160529)]