54844270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{439}}^1$

素因数の和:521

約数の個数: 48

約数和(自身を含む): 110103840

約数和(自身を除く): 55259570

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 439, 806, 878, 961, 1922, 2015, 2195, 4030, 4390, 4805, 5707, 9610, 11414, 12493, 13609, 24986, 27218, 28535, 57070, 62465, 68045, 124930, 136090, 176917, 353834, 421879, 843758, 884585, 1769170, 2109395, 4218790, 5484427, 10968854, 27422135, 54844270]

約数ペア:

[(1, 54844270), (2, 27422135), (5, 10968854), (10, 5484427), (13, 4218790), (26, 2109395), (31, 1769170), (62, 884585), (65, 843758), (130, 421879), (155, 353834), (310, 176917), (403, 136090), (439, 124930), (806, 68045), (878, 62465), (961, 57070), (1922, 28535), (2015, 27218), (2195, 24986), (4030, 13609), (4390, 12493), (4805, 11414), (5707, 9610)]