320420140

素因数分解:

$2^2\times 5^1\times {\mathrm{3467}}^1\times {\mathrm{4621}}^1$

素因数の和:8097

約数の個数: 24

約数和(自身を含む): 673222032

約数和(自身を除く): 352801892

約数列:

[1, 2, 4, 5, 10, 20, 3467, 4621, 6934, 9242, 13868, 17335, 18484, 23105, 34670, 46210, 69340, 92420, 16021007, 32042014, 64084028, 80105035, 160210070, 320420140]

約数ペア:

[(1, 320420140), (2, 160210070), (4, 80105035), (5, 64084028), (10, 32042014), (20, 16021007), (3467, 92420), (4621, 69340), (6934, 46210), (9242, 34670), (13868, 23105), (17335, 18484)]