40097660

素因数分解:

$2^2\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{1987}}^1$

素因数の和:3005

約数の個数: 24

約数和(自身を含む): 84330960

約数和(自身を除く): 44233300

約数列:

[1, 2, 4, 5, 10, 20, 1009, 1987, 2018, 3974, 4036, 5045, 7948, 9935, 10090, 19870, 20180, 39740, 2004883, 4009766, 8019532, 10024415, 20048830, 40097660]

約数ペア:

[(1, 40097660), (2, 20048830), (4, 10024415), (5, 8019532), (10, 4009766), (20, 2004883), (1009, 39740), (1987, 20180), (2018, 19870), (3974, 10090), (4036, 9935), (5045, 7948)]