85891600

素因数分解:

$2^4\times 5^2\times {\mathrm{214729}}^1$

素因数の和:214747

約数の個数: 30

約数和(自身を含む): 206355530

約数和(自身を除く): 120463930

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 214729, 429458, 858916, 1073645, 1717832, 2147290, 3435664, 4294580, 5368225, 8589160, 10736450, 17178320, 21472900, 42945800, 85891600]

約数ペア:

[(1, 85891600), (2, 42945800), (4, 21472900), (5, 17178320), (8, 10736450), (10, 8589160), (16, 5368225), (20, 4294580), (25, 3435664), (40, 2147290), (50, 1717832), (80, 1073645), (100, 858916), (200, 429458), (400, 214729)]