56720000

素因数分解:

$2^7\times 5^4\times {\mathrm{709}}^1$

素因数の和:743

約数の個数: 80

約数和(自身を含む): 141400050

約数和(自身を除く): 84680050

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, 709, 800, 1000, 1250, 1418, 1600, 2000, 2500, 2836, 3200, 3545, 4000, 5000, 5672, 7090, 8000, 10000, 11344, 14180, 16000, 17725, 20000, 22688, 28360, 35450, 40000, 45376, 56720, 70900, 80000, 88625, 90752, 113440, 141800, 177250, 226880, 283600, 354500, 443125, 453760, 567200, 709000, 886250, 1134400, 1418000, 1772500, 2268800, 2836000, 3545000, 5672000, 7090000, 11344000, 14180000, 28360000, 56720000]

約数ペア:

[(1, 56720000), (2, 28360000), (4, 14180000), (5, 11344000), (8, 7090000), (10, 5672000), (16, 3545000), (20, 2836000), (25, 2268800), (32, 1772500), (40, 1418000), (50, 1134400), (64, 886250), (80, 709000), (100, 567200), (125, 453760), (128, 443125), (160, 354500), (200, 283600), (250, 226880), (320, 177250), (400, 141800), (500, 113440), (625, 90752), (640, 88625), (709, 80000), (800, 70900), (1000, 56720), (1250, 45376), (1418, 40000), (1600, 35450), (2000, 28360), (2500, 22688), (2836, 20000), (3200, 17725), (3545, 16000), (4000, 14180), (5000, 11344), (5672, 10000), (7090, 8000)]