131103020

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{60139}}^1$

素因数の和:60257

約数の個数: 24

約数和(自身を含む): 277846800

約数和(自身を除く): 146743780

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 60139, 120278, 240556, 300695, 601390, 1202780, 6555151, 13110302, 26220604, 32775755, 65551510, 131103020]

約数ペア:

[(1, 131103020), (2, 65551510), (4, 32775755), (5, 26220604), (10, 13110302), (20, 6555151), (109, 1202780), (218, 601390), (436, 300695), (545, 240556), (1090, 120278), (2180, 60139)]