90166120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{204923}}^1$

素因数の和:204945

約数の個数: 32

約数和(自身を含む): 221317920

約数和(自身を除く): 131151800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 204923, 409846, 819692, 1024615, 1639384, 2049230, 2254153, 4098460, 4508306, 8196920, 9016612, 11270765, 18033224, 22541530, 45083060, 90166120]

約数ペア:

[(1, 90166120), (2, 45083060), (4, 22541530), (5, 18033224), (8, 11270765), (10, 9016612), (11, 8196920), (20, 4508306), (22, 4098460), (40, 2254153), (44, 2049230), (55, 1639384), (88, 1024615), (110, 819692), (220, 409846), (440, 204923)]