66005840

素因数分解:

$2^4\times 5^1\times {\mathrm{825073}}^1$

素因数の和:825086

約数の個数: 20

約数和(自身を含む): 153463764

約数和(自身を除く): 87457924

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 825073, 1650146, 3300292, 4125365, 6600584, 8250730, 13201168, 16501460, 33002920, 66005840]

約数ペア:

[(1, 66005840), (2, 33002920), (4, 16501460), (5, 13201168), (8, 8250730), (10, 6600584), (16, 4125365), (20, 3300292), (40, 1650146), (80, 825073)]