42478000

素因数分解:

$2^4\times 5^3\times {\mathrm{67}}^1\times {\mathrm{317}}^1$

素因数の和:407

約数の個数: 80

約数和(自身を含む): 104573664

約数和(自身を除く): 62095664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 67, 80, 100, 125, 134, 200, 250, 268, 317, 335, 400, 500, 536, 634, 670, 1000, 1072, 1268, 1340, 1585, 1675, 2000, 2536, 2680, 3170, 3350, 5072, 5360, 6340, 6700, 7925, 8375, 12680, 13400, 15850, 16750, 21239, 25360, 26800, 31700, 33500, 39625, 42478, 63400, 67000, 79250, 84956, 106195, 126800, 134000, 158500, 169912, 212390, 317000, 339824, 424780, 530975, 634000, 849560, 1061950, 1699120, 2123900, 2654875, 4247800, 5309750, 8495600, 10619500, 21239000, 42478000]

約数ペア:

[(1, 42478000), (2, 21239000), (4, 10619500), (5, 8495600), (8, 5309750), (10, 4247800), (16, 2654875), (20, 2123900), (25, 1699120), (40, 1061950), (50, 849560), (67, 634000), (80, 530975), (100, 424780), (125, 339824), (134, 317000), (200, 212390), (250, 169912), (268, 158500), (317, 134000), (335, 126800), (400, 106195), (500, 84956), (536, 79250), (634, 67000), (670, 63400), (1000, 42478), (1072, 39625), (1268, 33500), (1340, 31700), (1585, 26800), (1675, 25360), (2000, 21239), (2536, 16750), (2680, 15850), (3170, 13400), (3350, 12680), (5072, 8375), (5360, 7925), (6340, 6700)]