9109408040

素因数分解:

$2^3\times 5^1\times {\mathrm{439}}^1\times {\mathrm{518759}}^1$

素因数の和:519209

約数の個数: 32

約数和(自身を含む): 20542896000

約数和(自身を除く): 11433487960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 439, 878, 1756, 2195, 3512, 4390, 8780, 17560, 518759, 1037518, 2075036, 2593795, 4150072, 5187590, 10375180, 20750360, 227735201, 455470402, 910940804, 1138676005, 1821881608, 2277352010, 4554704020, 9109408040]

約数ペア:

[(1, 9109408040), (2, 4554704020), (4, 2277352010), (5, 1821881608), (8, 1138676005), (10, 910940804), (20, 455470402), (40, 227735201), (439, 20750360), (878, 10375180), (1756, 5187590), (2195, 4150072), (3512, 2593795), (4390, 2075036), (8780, 1037518), (17560, 518759)]