872000

素因数分解:

$2^6\times 5^3\times {\mathrm{109}}^1$

素因数の和:136

約数の個数: 56

約数和(自身を含む): 2179320

約数和(自身を除く): 1307320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 109, 125, 160, 200, 218, 250, 320, 400, 436, 500, 545, 800, 872, 1000, 1090, 1600, 1744, 2000, 2180, 2725, 3488, 4000, 4360, 5450, 6976, 8000, 8720, 10900, 13625, 17440, 21800, 27250, 34880, 43600, 54500, 87200, 109000, 174400, 218000, 436000, 872000]

約数ペア:

[(1, 872000), (2, 436000), (4, 218000), (5, 174400), (8, 109000), (10, 87200), (16, 54500), (20, 43600), (25, 34880), (32, 27250), (40, 21800), (50, 17440), (64, 13625), (80, 10900), (100, 8720), (109, 8000), (125, 6976), (160, 5450), (200, 4360), (218, 4000), (250, 3488), (320, 2725), (400, 2180), (436, 2000), (500, 1744), (545, 1600), (800, 1090), (872, 1000)]