652000

素因数分解:

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

素因数の和:188

約数の個数: 48

約数和(自身を含む): 1611792

約数和(自身を除く): 959792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 163, 200, 250, 326, 400, 500, 652, 800, 815, 1000, 1304, 1630, 2000, 2608, 3260, 4000, 4075, 5216, 6520, 8150, 13040, 16300, 20375, 26080, 32600, 40750, 65200, 81500, 130400, 163000, 326000, 652000]

約数ペア:

[(1, 652000), (2, 326000), (4, 163000), (5, 130400), (8, 81500), (10, 65200), (16, 40750), (20, 32600), (25, 26080), (32, 20375), (40, 16300), (50, 13040), (80, 8150), (100, 6520), (125, 5216), (160, 4075), (163, 4000), (200, 3260), (250, 2608), (326, 2000), (400, 1630), (500, 1304), (652, 1000), (800, 815)]