128330840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{291661}}^1$

素因数の和:291683

約数の個数: 32

約数和(自身を含む): 314994960

約数和(自身を除く): 186664120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 291661, 583322, 1166644, 1458305, 2333288, 2916610, 3208271, 5833220, 6416542, 11666440, 12833084, 16041355, 25666168, 32082710, 64165420, 128330840]

約数ペア:

[(1, 128330840), (2, 64165420), (4, 32082710), (5, 25666168), (8, 16041355), (10, 12833084), (11, 11666440), (20, 6416542), (22, 5833220), (40, 3208271), (44, 2916610), (55, 2333288), (88, 1458305), (110, 1166644), (220, 583322), (440, 291661)]