87031120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{98899}}^1$

素因数の和:98923

約数の個数: 40

約数和(自身を含む): 220744800

約数和(自身を除く): 133713680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 98899, 197798, 395596, 494495, 791192, 988990, 1087889, 1582384, 1977980, 2175778, 3955960, 4351556, 5439445, 7911920, 8703112, 10878890, 17406224, 21757780, 43515560, 87031120]

約数ペア:

[(1, 87031120), (2, 43515560), (4, 21757780), (5, 17406224), (8, 10878890), (10, 8703112), (11, 7911920), (16, 5439445), (20, 4351556), (22, 3955960), (40, 2175778), (44, 1977980), (55, 1582384), (80, 1087889), (88, 988990), (110, 791192), (176, 494495), (220, 395596), (440, 197798), (880, 98899)]