10720000

素因数分解:

$2^8\times 5^4\times {\mathrm{67}}^1$

素因数の和:103

約数の個数: 90

約数和(自身を含む): 27138188

約数和(自身を除く): 16418188

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 67, 80, 100, 125, 128, 134, 160, 200, 250, 256, 268, 320, 335, 400, 500, 536, 625, 640, 670, 800, 1000, 1072, 1250, 1280, 1340, 1600, 1675, 2000, 2144, 2500, 2680, 3200, 3350, 4000, 4288, 5000, 5360, 6400, 6700, 8000, 8375, 8576, 10000, 10720, 13400, 16000, 16750, 17152, 20000, 21440, 26800, 32000, 33500, 40000, 41875, 42880, 53600, 67000, 80000, 83750, 85760, 107200, 134000, 160000, 167500, 214400, 268000, 335000, 428800, 536000, 670000, 1072000, 1340000, 2144000, 2680000, 5360000, 10720000]

約数ペア:

[(1, 10720000), (2, 5360000), (4, 2680000), (5, 2144000), (8, 1340000), (10, 1072000), (16, 670000), (20, 536000), (25, 428800), (32, 335000), (40, 268000), (50, 214400), (64, 167500), (67, 160000), (80, 134000), (100, 107200), (125, 85760), (128, 83750), (134, 80000), (160, 67000), (200, 53600), (250, 42880), (256, 41875), (268, 40000), (320, 33500), (335, 32000), (400, 26800), (500, 21440), (536, 20000), (625, 17152), (640, 16750), (670, 16000), (800, 13400), (1000, 10720), (1072, 10000), (1250, 8576), (1280, 8375), (1340, 8000), (1600, 6700), (1675, 6400), (2000, 5360), (2144, 5000), (2500, 4288), (2680, 4000), (3200, 3350)]