20171566280

素因数分解:

$2^3\times 5^1\times {\mathrm{4057}}^1\times {\mathrm{124301}}^1$

素因数の和:128369

約数の個数: 32

約数和(自身を含む): 45397576440

約数和(自身を除く): 25226010160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4057, 8114, 16228, 20285, 32456, 40570, 81140, 124301, 162280, 248602, 497204, 621505, 994408, 1243010, 2486020, 4972040, 504289157, 1008578314, 2017156628, 2521445785, 4034313256, 5042891570, 10085783140, 20171566280]

約数ペア:

[(1, 20171566280), (2, 10085783140), (4, 5042891570), (5, 4034313256), (8, 2521445785), (10, 2017156628), (20, 1008578314), (40, 504289157), (4057, 4972040), (8114, 2486020), (16228, 1243010), (20285, 994408), (32456, 621505), (40570, 497204), (81140, 248602), (124301, 162280)]