40412720

素因数分解:

$2^4\times 5^1\times {\mathrm{505159}}^1$

素因数の和:505172

約数の個数: 20

約数和(自身を含む): 93959760

約数和(自身を除く): 53547040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 505159, 1010318, 2020636, 2525795, 4041272, 5051590, 8082544, 10103180, 20206360, 40412720]

約数ペア:

[(1, 40412720), (2, 20206360), (4, 10103180), (5, 8082544), (8, 5051590), (10, 4041272), (16, 2525795), (20, 2020636), (40, 1010318), (80, 505159)]