123965260

素因数分解:

$2^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{16889}}^1$

素因数の和:17265

約数の個数: 24

約数和(自身を含む): 261051840

約数和(自身を除く): 137086580

約数列:

[1, 2, 4, 5, 10, 20, 367, 734, 1468, 1835, 3670, 7340, 16889, 33778, 67556, 84445, 168890, 337780, 6198263, 12396526, 24793052, 30991315, 61982630, 123965260]

約数ペア:

[(1, 123965260), (2, 61982630), (4, 30991315), (5, 24793052), (10, 12396526), (20, 6198263), (367, 337780), (734, 168890), (1468, 84445), (1835, 67556), (3670, 33778), (7340, 16889)]