155519822020

素因数分解:

$2^2\times 5^1\times {\mathrm{7775991101}}^1$

素因数の和:7775991110

約数の個数: 12

約数和(自身を含む): 326591626284

約数和(自身を除く): 171071804264

約数列:

[1, 2, 4, 5, 10, 20, 7775991101, 15551982202, 31103964404, 38879955505, 77759911010, 155519822020]

約数ペア:

[(1, 155519822020), (2, 77759911010), (4, 38879955505), (5, 31103964404), (10, 15551982202), (20, 7775991101)]