2680000

素因数分解:

$2^6\times 5^4\times {\mathrm{67}}^1$

素因数の和:99

約数の個数: 70

約数和(自身を含む): 6744716

約数和(自身を除く): 4064716

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 67, 80, 100, 125, 134, 160, 200, 250, 268, 320, 335, 400, 500, 536, 625, 670, 800, 1000, 1072, 1250, 1340, 1600, 1675, 2000, 2144, 2500, 2680, 3350, 4000, 4288, 5000, 5360, 6700, 8000, 8375, 10000, 10720, 13400, 16750, 20000, 21440, 26800, 33500, 40000, 41875, 53600, 67000, 83750, 107200, 134000, 167500, 268000, 335000, 536000, 670000, 1340000, 2680000]

約数ペア:

[(1, 2680000), (2, 1340000), (4, 670000), (5, 536000), (8, 335000), (10, 268000), (16, 167500), (20, 134000), (25, 107200), (32, 83750), (40, 67000), (50, 53600), (64, 41875), (67, 40000), (80, 33500), (100, 26800), (125, 21440), (134, 20000), (160, 16750), (200, 13400), (250, 10720), (268, 10000), (320, 8375), (335, 8000), (400, 6700), (500, 5360), (536, 5000), (625, 4288), (670, 4000), (800, 3350), (1000, 2680), (1072, 2500), (1250, 2144), (1340, 2000), (1600, 1675)]