11986640

素因数分解:

$2^4\times 5^1\times {\mathrm{269}}^1\times {\mathrm{557}}^1$

素因数の和:839

約数の個数: 40

約数和(自身を含む): 28022760

約数和(自身を除く): 16036120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 269, 538, 557, 1076, 1114, 1345, 2152, 2228, 2690, 2785, 4304, 4456, 5380, 5570, 8912, 10760, 11140, 21520, 22280, 44560, 149833, 299666, 599332, 749165, 1198664, 1498330, 2397328, 2996660, 5993320, 11986640]

約数ペア:

[(1, 11986640), (2, 5993320), (4, 2996660), (5, 2397328), (8, 1498330), (10, 1198664), (16, 749165), (20, 599332), (40, 299666), (80, 149833), (269, 44560), (538, 22280), (557, 21520), (1076, 11140), (1114, 10760), (1345, 8912), (2152, 5570), (2228, 5380), (2690, 4456), (2785, 4304)]