55776220

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{5479}}^1$

素因数の和:5997

約数の個数: 24

約数和(自身を含む): 117381600

約数和(自身を除く): 61605380

約数列:

[1, 2, 4, 5, 10, 20, 509, 1018, 2036, 2545, 5090, 5479, 10180, 10958, 21916, 27395, 54790, 109580, 2788811, 5577622, 11155244, 13944055, 27888110, 55776220]

約数ペア:

[(1, 55776220), (2, 27888110), (4, 13944055), (5, 11155244), (10, 5577622), (20, 2788811), (509, 109580), (1018, 54790), (2036, 27395), (2545, 21916), (5090, 10958), (5479, 10180)]