22397780

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{2551}}^1$

素因数の和:2999

約数の個数: 24

約数和(自身を含む): 47160960

約数和(自身を除く): 24763180

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 2551, 4390, 5102, 8780, 10204, 12755, 25510, 51020, 1119889, 2239778, 4479556, 5599445, 11198890, 22397780]

約数ペア:

[(1, 22397780), (2, 11198890), (4, 5599445), (5, 4479556), (10, 2239778), (20, 1119889), (439, 51020), (878, 25510), (1756, 12755), (2195, 10204), (2551, 8780), (4390, 5102)]