2051211080

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{190633}}^1$

素因数の和:190913

約数の個数: 32

約数和(自身を含む): 4632406200

約数和(自身を除く): 2581195120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 538, 1076, 1345, 2152, 2690, 5380, 10760, 190633, 381266, 762532, 953165, 1525064, 1906330, 3812660, 7625320, 51280277, 102560554, 205121108, 256401385, 410242216, 512802770, 1025605540, 2051211080]

約数ペア:

[(1, 2051211080), (2, 1025605540), (4, 512802770), (5, 410242216), (8, 256401385), (10, 205121108), (20, 102560554), (40, 51280277), (269, 7625320), (538, 3812660), (1076, 1906330), (1345, 1525064), (2152, 953165), (2690, 762532), (5380, 381266), (10760, 190633)]