4080486860

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2020043}}^1$

素因数の和:2020153

約数の個数: 24

約数和(自身を含む): 8653868496

約数和(自身を除く): 4573381636

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 2020043, 4040086, 8080172, 10100215, 20200430, 40400860, 204024343, 408048686, 816097372, 1020121715, 2040243430, 4080486860]

約数ペア:

[(1, 4080486860), (2, 2040243430), (4, 1020121715), (5, 816097372), (10, 408048686), (20, 204024343), (101, 40400860), (202, 20200430), (404, 10100215), (505, 8080172), (1010, 4040086), (2020, 2020043)]