140872000

素因数分解:

$2^6\times 5^3\times {\mathrm{17609}}^1$

素因数の和:17636

約数の個数: 56

約数和(自身を含む): 348889320

約数和(自身を除く): 208017320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 800, 1000, 1600, 2000, 4000, 8000, 17609, 35218, 70436, 88045, 140872, 176090, 281744, 352180, 440225, 563488, 704360, 880450, 1126976, 1408720, 1760900, 2201125, 2817440, 3521800, 4402250, 5634880, 7043600, 8804500, 14087200, 17609000, 28174400, 35218000, 70436000, 140872000]

約数ペア:

[(1, 140872000), (2, 70436000), (4, 35218000), (5, 28174400), (8, 17609000), (10, 14087200), (16, 8804500), (20, 7043600), (25, 5634880), (32, 4402250), (40, 3521800), (50, 2817440), (64, 2201125), (80, 1760900), (100, 1408720), (125, 1126976), (160, 880450), (200, 704360), (250, 563488), (320, 440225), (400, 352180), (500, 281744), (800, 176090), (1000, 140872), (1600, 88045), (2000, 70436), (4000, 35218), (8000, 17609)]