165040240

素因数分解:

$2^4\times 5^1\times {\mathrm{2063003}}^1$

素因数の和:2063016

約数の個数: 20

約数和(自身を含む): 383718744

約数和(自身を除く): 218678504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2063003, 4126006, 8252012, 10315015, 16504024, 20630030, 33008048, 41260060, 82520120, 165040240]

約数ペア:

[(1, 165040240), (2, 82520120), (4, 41260060), (5, 33008048), (8, 20630030), (10, 16504024), (16, 10315015), (20, 8252012), (40, 4126006), (80, 2063003)]