2608000

素因数分解:

$2^7\times 5^3\times {\mathrm{163}}^1$

素因数の和:192

約数の個数: 64

約数和(自身を含む): 6523920

約数和(自身を除く): 3915920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 163, 200, 250, 320, 326, 400, 500, 640, 652, 800, 815, 1000, 1304, 1600, 1630, 2000, 2608, 3200, 3260, 4000, 4075, 5216, 6520, 8000, 8150, 10432, 13040, 16000, 16300, 20375, 20864, 26080, 32600, 40750, 52160, 65200, 81500, 104320, 130400, 163000, 260800, 326000, 521600, 652000, 1304000, 2608000]

約数ペア:

[(1, 2608000), (2, 1304000), (4, 652000), (5, 521600), (8, 326000), (10, 260800), (16, 163000), (20, 130400), (25, 104320), (32, 81500), (40, 65200), (50, 52160), (64, 40750), (80, 32600), (100, 26080), (125, 20864), (128, 20375), (160, 16300), (163, 16000), (200, 13040), (250, 10432), (320, 8150), (326, 8000), (400, 6520), (500, 5216), (640, 4075), (652, 4000), (800, 3260), (815, 3200), (1000, 2608), (1304, 2000), (1600, 1630)]