2054660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5407}}^1$

素因数の和:5435

約数の個数: 24

約数和(自身を含む): 4542720

約数和(自身を除く): 2488060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 5407, 10814, 21628, 27035, 54070, 102733, 108140, 205466, 410932, 513665, 1027330, 2054660]

約数ペア:

[(1, 2054660), (2, 1027330), (4, 513665), (5, 410932), (10, 205466), (19, 108140), (20, 102733), (38, 54070), (76, 27035), (95, 21628), (190, 10814), (380, 5407)]