2019402580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7766933}}^1$

素因数の和:7766955

約数の個数: 24

約数和(自身を含む): 4566957192

約数和(自身を除く): 2547554612

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 7766933, 15533866, 31067732, 38834665, 77669330, 100970129, 155338660, 201940258, 403880516, 504850645, 1009701290, 2019402580]

約数ペア:

[(1, 2019402580), (2, 1009701290), (4, 504850645), (5, 403880516), (10, 201940258), (13, 155338660), (20, 100970129), (26, 77669330), (52, 38834665), (65, 31067732), (130, 15533866), (260, 7766933)]