56739440

素因数分解:

$2^4\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1601}}^1$

素因数の和:2057

約数の個数: 40

約数和(自身を含む): 132299568

約数和(自身を除く): 75560128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 443, 886, 1601, 1772, 2215, 3202, 3544, 4430, 6404, 7088, 8005, 8860, 12808, 16010, 17720, 25616, 32020, 35440, 64040, 128080, 709243, 1418486, 2836972, 3546215, 5673944, 7092430, 11347888, 14184860, 28369720, 56739440]

約数ペア:

[(1, 56739440), (2, 28369720), (4, 14184860), (5, 11347888), (8, 7092430), (10, 5673944), (16, 3546215), (20, 2836972), (40, 1418486), (80, 709243), (443, 128080), (886, 64040), (1601, 35440), (1772, 32020), (2215, 25616), (3202, 17720), (3544, 16010), (4430, 12808), (6404, 8860), (7088, 8005)]