81322120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{184823}}^1$

素因数の和:184845

約数の個数: 32

約数和(自身を含む): 199609920

約数和(自身を除く): 118287800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 184823, 369646, 739292, 924115, 1478584, 1848230, 2033053, 3696460, 4066106, 7392920, 8132212, 10165265, 16264424, 20330530, 40661060, 81322120]

約数ペア:

[(1, 81322120), (2, 40661060), (4, 20330530), (5, 16264424), (8, 10165265), (10, 8132212), (11, 7392920), (20, 4066106), (22, 3696460), (40, 2033053), (44, 1848230), (55, 1478584), (88, 924115), (110, 739292), (220, 369646), (440, 184823)]