266402140

素因数分解:

$2^2\times 5^1\times {\mathrm{1361}}^1\times {\mathrm{9787}}^1$

素因数の和:11157

約数の個数: 24

約数和(自身を含む): 559912752

約数和(自身を除く): 293510612

約数列:

[1, 2, 4, 5, 10, 20, 1361, 2722, 5444, 6805, 9787, 13610, 19574, 27220, 39148, 48935, 97870, 195740, 13320107, 26640214, 53280428, 66600535, 133201070, 266402140]

約数ペア:

[(1, 266402140), (2, 133201070), (4, 66600535), (5, 53280428), (10, 26640214), (20, 13320107), (1361, 195740), (2722, 97870), (5444, 48935), (6805, 39148), (9787, 27220), (13610, 19574)]