123353840

素因数分解:

$2^4\times 5^1\times {\mathrm{1541923}}^1$

素因数の和:1541936

約数の個数: 20

約数和(自身を含む): 286797864

約数和(自身を除く): 163444024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1541923, 3083846, 6167692, 7709615, 12335384, 15419230, 24670768, 30838460, 61676920, 123353840]

約数ペア:

[(1, 123353840), (2, 61676920), (4, 30838460), (5, 24670768), (8, 15419230), (10, 12335384), (16, 7709615), (20, 6167692), (40, 3083846), (80, 1541923)]