87087220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{395851}}^1$

素因数の和:395871

約数の個数: 24

約数和(自身を含む): 199509408

約数和(自身を除く): 112422188

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 395851, 791702, 1583404, 1979255, 3958510, 4354361, 7917020, 8708722, 17417444, 21771805, 43543610, 87087220]

約数ペア:

[(1, 87087220), (2, 43543610), (4, 21771805), (5, 17417444), (10, 8708722), (11, 7917020), (20, 4354361), (22, 3958510), (44, 1979255), (55, 1583404), (110, 791702), (220, 395851)]