28216120

素因数分解:

$2^3\times 5^1\times {\mathrm{705403}}^1$

素因数の和:705414

約数の個数: 16

約数和(自身を含む): 63486360

約数和(自身を除く): 35270240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 705403, 1410806, 2821612, 3527015, 5643224, 7054030, 14108060, 28216120]

約数ペア:

[(1, 28216120), (2, 14108060), (4, 7054030), (5, 5643224), (8, 3527015), (10, 2821612), (20, 1410806), (40, 705403)]