260800

素因数分解:

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

素因数の和:185

約数の個数: 42

約数和(自身を含む): 645668

約数和(自身を除く): 384868

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 163, 200, 320, 326, 400, 652, 800, 815, 1304, 1600, 1630, 2608, 3260, 4075, 5216, 6520, 8150, 10432, 13040, 16300, 26080, 32600, 52160, 65200, 130400, 260800]

約数ペア:

[(1, 260800), (2, 130400), (4, 65200), (5, 52160), (8, 32600), (10, 26080), (16, 16300), (20, 13040), (25, 10432), (32, 8150), (40, 6520), (50, 5216), (64, 4075), (80, 3260), (100, 2608), (160, 1630), (163, 1600), (200, 1304), (320, 815), (326, 800), (400, 652)]