68240000

素因数分解:

$2^7\times 5^4\times {\mathrm{853}}^1$

素因数の和:887

約数の個数: 80

約数和(自身を含む): 170078370

約数和(自身を除く): 101838370

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 320, 400, 500, 625, 640, 800, 853, 1000, 1250, 1600, 1706, 2000, 2500, 3200, 3412, 4000, 4265, 5000, 6824, 8000, 8530, 10000, 13648, 16000, 17060, 20000, 21325, 27296, 34120, 40000, 42650, 54592, 68240, 80000, 85300, 106625, 109184, 136480, 170600, 213250, 272960, 341200, 426500, 533125, 545920, 682400, 853000, 1066250, 1364800, 1706000, 2132500, 2729600, 3412000, 4265000, 6824000, 8530000, 13648000, 17060000, 34120000, 68240000]

約数ペア:

[(1, 68240000), (2, 34120000), (4, 17060000), (5, 13648000), (8, 8530000), (10, 6824000), (16, 4265000), (20, 3412000), (25, 2729600), (32, 2132500), (40, 1706000), (50, 1364800), (64, 1066250), (80, 853000), (100, 682400), (125, 545920), (128, 533125), (160, 426500), (200, 341200), (250, 272960), (320, 213250), (400, 170600), (500, 136480), (625, 109184), (640, 106625), (800, 85300), (853, 80000), (1000, 68240), (1250, 54592), (1600, 42650), (1706, 40000), (2000, 34120), (2500, 27296), (3200, 21325), (3412, 20000), (4000, 17060), (4265, 16000), (5000, 13648), (6824, 10000), (8000, 8530)]