26828080

素因数分解:

$2^4\times 5^1\times {\mathrm{443}}^1\times {\mathrm{757}}^1$

素因数の和:1213

約数の個数: 40

約数和(自身を含む): 62598672

約数和(自身を除く): 35770592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 443, 757, 886, 1514, 1772, 2215, 3028, 3544, 3785, 4430, 6056, 7088, 7570, 8860, 12112, 15140, 17720, 30280, 35440, 60560, 335351, 670702, 1341404, 1676755, 2682808, 3353510, 5365616, 6707020, 13414040, 26828080]

約数ペア:

[(1, 26828080), (2, 13414040), (4, 6707020), (5, 5365616), (8, 3353510), (10, 2682808), (16, 1676755), (20, 1341404), (40, 670702), (80, 335351), (443, 60560), (757, 35440), (886, 30280), (1514, 17720), (1772, 15140), (2215, 12112), (3028, 8860), (3544, 7570), (3785, 7088), (4430, 6056)]