39936140

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{3923}}^1$

素因数の和:4441

約数の個数: 24

約数和(自身を含む): 84052080

約数和(自身を除く): 44115940

約数列:

[1, 2, 4, 5, 10, 20, 509, 1018, 2036, 2545, 3923, 5090, 7846, 10180, 15692, 19615, 39230, 78460, 1996807, 3993614, 7987228, 9984035, 19968070, 39936140]

約数ペア:

[(1, 39936140), (2, 19968070), (4, 9984035), (5, 7987228), (10, 3993614), (20, 1996807), (509, 78460), (1018, 39230), (2036, 19615), (2545, 15692), (3923, 10180), (5090, 7846)]