847308020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3258877}}^1$

素因数の和:3258899

約数の個数: 24

約数和(自身を含む): 1916220264

約数和(自身を除く): 1068912244

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 3258877, 6517754, 13035508, 16294385, 32588770, 42365401, 65177540, 84730802, 169461604, 211827005, 423654010, 847308020]

約数ペア:

[(1, 847308020), (2, 423654010), (4, 211827005), (5, 169461604), (10, 84730802), (13, 65177540), (20, 42365401), (26, 32588770), (52, 16294385), (65, 13035508), (130, 6517754), (260, 3258877)]