130921810

素因数分解:

$2^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{54779}}^1$

素因数の和:55025

約数の個数: 16

約数和(自身を含む): 236649600

約数和(自身を除く): 105727790

約数列:

[1, 2, 5, 10, 239, 478, 1195, 2390, 54779, 109558, 273895, 547790, 13092181, 26184362, 65460905, 130921810]

約数ペア:

[(1, 130921810), (2, 65460905), (5, 26184362), (10, 13092181), (239, 547790), (478, 273895), (1195, 109558), (2390, 54779)]