90620080

素因数分解:

$2^4\times 5^1\times {\mathrm{443}}^1\times {\mathrm{2557}}^1$

素因数の和:3013

約数の個数: 40

約数和(自身を含む): 211249872

約数和(自身を除く): 120629792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 443, 886, 1772, 2215, 2557, 3544, 4430, 5114, 7088, 8860, 10228, 12785, 17720, 20456, 25570, 35440, 40912, 51140, 102280, 204560, 1132751, 2265502, 4531004, 5663755, 9062008, 11327510, 18124016, 22655020, 45310040, 90620080]

約数ペア:

[(1, 90620080), (2, 45310040), (4, 22655020), (5, 18124016), (8, 11327510), (10, 9062008), (16, 5663755), (20, 4531004), (40, 2265502), (80, 1132751), (443, 204560), (886, 102280), (1772, 51140), (2215, 40912), (2557, 35440), (3544, 25570), (4430, 20456), (5114, 17720), (7088, 12785), (8860, 10228)]