27405140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{195751}}^1$

素因数の和:195767

約数の個数: 24

約数和(自身を含む): 65772672

約数和(自身を除く): 38367532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 195751, 391502, 783004, 978755, 1370257, 1957510, 2740514, 3915020, 5481028, 6851285, 13702570, 27405140]

約数ペア:

[(1, 27405140), (2, 13702570), (4, 6851285), (5, 5481028), (7, 3915020), (10, 2740514), (14, 1957510), (20, 1370257), (28, 978755), (35, 783004), (70, 391502), (140, 195751)]