12711280

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{5479}}^1$

素因数の和:5521

約数の個数: 40

約数和(自身を含む): 30578400

約数和(自身を除く): 17867120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 5479, 10958, 21916, 27395, 43832, 54790, 87664, 109580, 158891, 219160, 317782, 438320, 635564, 794455, 1271128, 1588910, 2542256, 3177820, 6355640, 12711280]

約数ペア:

[(1, 12711280), (2, 6355640), (4, 3177820), (5, 2542256), (8, 1588910), (10, 1271128), (16, 794455), (20, 635564), (29, 438320), (40, 317782), (58, 219160), (80, 158891), (116, 109580), (145, 87664), (232, 54790), (290, 43832), (464, 27395), (580, 21916), (1160, 10958), (2320, 5479)]