13020400

素因数分解:

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

素因数の和:818

約数の個数: 60

約数和(自身を含む): 32051272

約数和(自身を除く): 19030872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 50, 80, 86, 100, 172, 200, 215, 344, 400, 430, 688, 757, 860, 1075, 1514, 1720, 2150, 3028, 3440, 3785, 4300, 6056, 7570, 8600, 12112, 15140, 17200, 18925, 30280, 32551, 37850, 60560, 65102, 75700, 130204, 151400, 162755, 260408, 302800, 325510, 520816, 651020, 813775, 1302040, 1627550, 2604080, 3255100, 6510200, 13020400]

約数ペア:

[(1, 13020400), (2, 6510200), (4, 3255100), (5, 2604080), (8, 1627550), (10, 1302040), (16, 813775), (20, 651020), (25, 520816), (40, 325510), (43, 302800), (50, 260408), (80, 162755), (86, 151400), (100, 130204), (172, 75700), (200, 65102), (215, 60560), (344, 37850), (400, 32551), (430, 30280), (688, 18925), (757, 17200), (860, 15140), (1075, 12112), (1514, 8600), (1720, 7570), (2150, 6056), (3028, 4300), (3440, 3785)]