26987560

素因数分解:

$2^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1523}}^1$

素因数の和:1977

約数の個数: 32

約数和(自身を含む): 60899040

約数和(自身を除く): 33911480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 443, 886, 1523, 1772, 2215, 3046, 3544, 4430, 6092, 7615, 8860, 12184, 15230, 17720, 30460, 60920, 674689, 1349378, 2698756, 3373445, 5397512, 6746890, 13493780, 26987560]

約数ペア:

[(1, 26987560), (2, 13493780), (4, 6746890), (5, 5397512), (8, 3373445), (10, 2698756), (20, 1349378), (40, 674689), (443, 60920), (886, 30460), (1523, 17720), (1772, 15230), (2215, 12184), (3046, 8860), (3544, 7615), (4430, 6092)]