2080385780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9456299}}^1$

素因数の和:9456319

約数の個数: 24

約数和(自身を含む): 4765975200

約数和(自身を除く): 2685589420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 9456299, 18912598, 37825196, 47281495, 94562990, 104019289, 189125980, 208038578, 416077156, 520096445, 1040192890, 2080385780]

約数ペア:

[(1, 2080385780), (2, 1040192890), (4, 520096445), (5, 416077156), (10, 208038578), (11, 189125980), (20, 104019289), (22, 94562990), (44, 47281495), (55, 37825196), (110, 18912598), (220, 9456299)]