2881780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13099}}^1$

素因数の和:13119

約数の個数: 24

約数和(自身を含む): 6602400

約数和(自身を除く): 3720620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 13099, 26198, 52396, 65495, 130990, 144089, 261980, 288178, 576356, 720445, 1440890, 2881780]

約数ペア:

[(1, 2881780), (2, 1440890), (4, 720445), (5, 576356), (10, 288178), (11, 261980), (20, 144089), (22, 130990), (44, 65495), (55, 52396), (110, 26198), (220, 13099)]