68367640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{155381}}^1$

素因数の和:155403

約数の個数: 32

約数和(自身を含む): 167812560

約数和(自身を除く): 99444920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 155381, 310762, 621524, 776905, 1243048, 1553810, 1709191, 3107620, 3418382, 6215240, 6836764, 8545955, 13673528, 17091910, 34183820, 68367640]

約数ペア:

[(1, 68367640), (2, 34183820), (4, 17091910), (5, 13673528), (8, 8545955), (10, 6836764), (11, 6215240), (20, 3418382), (22, 3107620), (40, 1709191), (44, 1553810), (55, 1243048), (88, 776905), (110, 621524), (220, 310762), (440, 155381)]