12740525

素因数分解:

$5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1549}}^1$

素因数の和:1613

約数の個数: 24

約数和(自身を含む): 18451200

約数和(自身を除く): 5710675

約数列:

[1, 5, 7, 25, 35, 47, 175, 235, 329, 1175, 1549, 1645, 7745, 8225, 10843, 38725, 54215, 72803, 271075, 364015, 509621, 1820075, 2548105, 12740525]

約数ペア:

[(1, 12740525), (5, 2548105), (7, 1820075), (25, 509621), (35, 364015), (47, 271075), (175, 72803), (235, 54215), (329, 38725), (1175, 10843), (1549, 8225), (1645, 7745)]