216528080

素因数分解:

$2^4\times 5^1\times {\mathrm{2706601}}^1$

素因数の和:2706614

約数の個数: 20

約数和(自身を含む): 503427972

約数和(自身を除く): 286899892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2706601, 5413202, 10826404, 13533005, 21652808, 27066010, 43305616, 54132020, 108264040, 216528080]

約数ペア:

[(1, 216528080), (2, 108264040), (4, 54132020), (5, 43305616), (8, 27066010), (10, 21652808), (16, 13533005), (20, 10826404), (40, 5413202), (80, 2706601)]