16784000

素因数分解:

$2^7\times 5^3\times {\mathrm{1049}}^1$

素因数の和:1078

約数の個数: 64

約数和(自身を含む): 41769000

約数和(自身を除く): 24985000

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, 640, 800, 1000, 1049, 1600, 2000, 2098, 3200, 4000, 4196, 5245, 8000, 8392, 10490, 16000, 16784, 20980, 26225, 33568, 41960, 52450, 67136, 83920, 104900, 131125, 134272, 167840, 209800, 262250, 335680, 419600, 524500, 671360, 839200, 1049000, 1678400, 2098000, 3356800, 4196000, 8392000, 16784000]

約数ペア:

[(1, 16784000), (2, 8392000), (4, 4196000), (5, 3356800), (8, 2098000), (10, 1678400), (16, 1049000), (20, 839200), (25, 671360), (32, 524500), (40, 419600), (50, 335680), (64, 262250), (80, 209800), (100, 167840), (125, 134272), (128, 131125), (160, 104900), (200, 83920), (250, 67136), (320, 52450), (400, 41960), (500, 33568), (640, 26225), (800, 20980), (1000, 16784), (1049, 16000), (1600, 10490), (2000, 8392), (2098, 8000), (3200, 5245), (4000, 4196)]