55712120

素因数分解:

$2^3\times 5^1\times {\mathrm{1392803}}^1$

素因数の和:1392814

約数の個数: 16

約数和(自身を含む): 125352360

約数和(自身を除く): 69640240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1392803, 2785606, 5571212, 6964015, 11142424, 13928030, 27856060, 55712120]

約数ペア:

[(1, 55712120), (2, 27856060), (4, 13928030), (5, 11142424), (8, 6964015), (10, 5571212), (20, 2785606), (40, 1392803)]