12920797870

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{11853943}}^1$

素因数の和:11854059

約数の個数: 16

約数和(自身を含む): 23470809120

約数和(自身を除く): 10550011250

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 11853943, 23707886, 59269715, 118539430, 1292079787, 2584159574, 6460398935, 12920797870]

約数ペア:

[(1, 12920797870), (2, 6460398935), (5, 2584159574), (10, 1292079787), (109, 118539430), (218, 59269715), (545, 23707886), (1090, 11853943)]