2552780

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1171}}^1$

素因数の和:1289

約数の個数: 24

約数和(自身を含む): 5414640

約数和(自身を除く): 2861860

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 1171, 2180, 2342, 4684, 5855, 11710, 23420, 127639, 255278, 510556, 638195, 1276390, 2552780]

約数ペア:

[(1, 2552780), (2, 1276390), (4, 638195), (5, 510556), (10, 255278), (20, 127639), (109, 23420), (218, 11710), (436, 5855), (545, 4684), (1090, 2342), (1171, 2180)]