64654660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{461819}}^1$

素因数の和:461835

約数の個数: 24

約数和(自身を含む): 155171520

約数和(自身を除く): 90516860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 461819, 923638, 1847276, 2309095, 3232733, 4618190, 6465466, 9236380, 12930932, 16163665, 32327330, 64654660]

約数ペア:

[(1, 64654660), (2, 32327330), (4, 16163665), (5, 12930932), (7, 9236380), (10, 6465466), (14, 4618190), (20, 3232733), (28, 2309095), (35, 1847276), (70, 923638), (140, 461819)]