55234640

素因数分解:

$2^4\times 5^1\times {\mathrm{690433}}^1$

素因数の和:690446

約数の個数: 20

約数和(自身を含む): 128420724

約数和(自身を除く): 73186084

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 690433, 1380866, 2761732, 3452165, 5523464, 6904330, 11046928, 13808660, 27617320, 55234640]

約数ペア:

[(1, 55234640), (2, 27617320), (4, 13808660), (5, 11046928), (8, 6904330), (10, 5523464), (16, 3452165), (20, 2761732), (40, 1380866), (80, 690433)]