2087319020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{661}}^1\times {\mathrm{3851}}^1$

素因数の和:4562

約数の個数: 48

約数和(自身を含む): 4498242336

約数和(自身を除く): 2410923316

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 661, 820, 1322, 2644, 3305, 3851, 6610, 7702, 13220, 15404, 19255, 27101, 38510, 54202, 77020, 108404, 135505, 157891, 271010, 315782, 542020, 631564, 789455, 1578910, 2545511, 3157820, 5091022, 10182044, 12727555, 25455110, 50910220, 104365951, 208731902, 417463804, 521829755, 1043659510, 2087319020]

約数ペア:

[(1, 2087319020), (2, 1043659510), (4, 521829755), (5, 417463804), (10, 208731902), (20, 104365951), (41, 50910220), (82, 25455110), (164, 12727555), (205, 10182044), (410, 5091022), (661, 3157820), (820, 2545511), (1322, 1578910), (2644, 789455), (3305, 631564), (3851, 542020), (6610, 315782), (7702, 271010), (13220, 157891), (15404, 135505), (19255, 108404), (27101, 77020), (38510, 54202)]