55685140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{397751}}^1$

素因数の和:397767

約数の個数: 24

約数和(自身を含む): 133644672

約数和(自身を除く): 77959532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 397751, 795502, 1591004, 1988755, 2784257, 3977510, 5568514, 7955020, 11137028, 13921285, 27842570, 55685140]

約数ペア:

[(1, 55685140), (2, 27842570), (4, 13921285), (5, 11137028), (7, 7955020), (10, 5568514), (14, 3977510), (20, 2784257), (28, 1988755), (35, 1591004), (70, 795502), (140, 397751)]