56639780

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{6451}}^1$

素因数の和:6899

約数の個数: 24

約数和(自身を含む): 119232960

約数和(自身を除く): 62593180

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 4390, 6451, 8780, 12902, 25804, 32255, 64510, 129020, 2831989, 5663978, 11327956, 14159945, 28319890, 56639780]

約数ペア:

[(1, 56639780), (2, 28319890), (4, 14159945), (5, 11327956), (10, 5663978), (20, 2831989), (439, 129020), (878, 64510), (1756, 32255), (2195, 25804), (4390, 12902), (6451, 8780)]