55137020

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{20123}}^1$

素因数の和:20269

約数の個数: 24

約数和(自身を含む): 116638704

約数和(自身を除く): 61501684

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 20123, 40246, 80492, 100615, 201230, 402460, 2756851, 5513702, 11027404, 13784255, 27568510, 55137020]

約数ペア:

[(1, 55137020), (2, 27568510), (4, 13784255), (5, 11027404), (10, 5513702), (20, 2756851), (137, 402460), (274, 201230), (548, 100615), (685, 80492), (1370, 40246), (2740, 20123)]