91997887960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{209086109}}^1$

素因数の和:209086131

約数の個数: 32

約数和(自身を含む): 225812998800

約数和(自身を除く): 133815110840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 209086109, 418172218, 836344436, 1045430545, 1672688872, 2090861090, 2299947199, 4181722180, 4599894398, 8363444360, 9199788796, 11499735995, 18399577592, 22999471990, 45998943980, 91997887960]

約数ペア:

[(1, 91997887960), (2, 45998943980), (4, 22999471990), (5, 18399577592), (8, 11499735995), (10, 9199788796), (11, 8363444360), (20, 4599894398), (22, 4181722180), (40, 2299947199), (44, 2090861090), (55, 1672688872), (88, 1045430545), (110, 836344436), (220, 418172218), (440, 209086109)]