1304000

素因数分解:

$2^6\times 5^3\times {\mathrm{163}}^1$

素因数の和:190

約数の個数: 56

約数和(自身を含む): 3249168

約数和(自身を除く): 1945168

約数列:

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

約数ペア:

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