42665140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{304751}}^1$

素因数の和:304767

約数の個数: 24

約数和(自身を含む): 102396672

約数和(自身を除く): 59731532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 304751, 609502, 1219004, 1523755, 2133257, 3047510, 4266514, 6095020, 8533028, 10666285, 21332570, 42665140]

約数ペア:

[(1, 42665140), (2, 21332570), (4, 10666285), (5, 8533028), (7, 6095020), (10, 4266514), (14, 3047510), (20, 2133257), (28, 1523755), (35, 1219004), (70, 609502), (140, 304751)]