2604080

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{757}}^1$

素因数の和:813

約数の個数: 40

約数和(自身を含む): 6203472

約数和(自身を除く): 3599392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 757, 860, 1514, 1720, 3028, 3440, 3785, 6056, 7570, 12112, 15140, 30280, 32551, 60560, 65102, 130204, 162755, 260408, 325510, 520816, 651020, 1302040, 2604080]

約数ペア:

[(1, 2604080), (2, 1302040), (4, 651020), (5, 520816), (8, 325510), (10, 260408), (16, 162755), (20, 130204), (40, 65102), (43, 60560), (80, 32551), (86, 30280), (172, 15140), (215, 12112), (344, 7570), (430, 6056), (688, 3785), (757, 3440), (860, 3028), (1514, 1720)]