105805780

素因数分解:

$2^2\times 5^1\times {\mathrm{5290289}}^1$

素因数の和:5290298

約数の個数: 12

約数和(自身を含む): 222192180

約数和(自身を除く): 116386400

約数列:

[1, 2, 4, 5, 10, 20, 5290289, 10580578, 21161156, 26451445, 52902890, 105805780]

約数ペア:

[(1, 105805780), (2, 52902890), (4, 26451445), (5, 21161156), (10, 10580578), (20, 5290289)]