12520340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89431}}^1$

素因数の和:89447

約数の個数: 24

約数和(自身を含む): 30049152

約数和(自身を除く): 17528812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 89431, 178862, 357724, 447155, 626017, 894310, 1252034, 1788620, 2504068, 3130085, 6260170, 12520340]

約数ペア:

[(1, 12520340), (2, 6260170), (4, 3130085), (5, 2504068), (7, 1788620), (10, 1252034), (14, 894310), (20, 626017), (28, 447155), (35, 357724), (70, 178862), (140, 89431)]