40857905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{571}}^1\times {\mathrm{1301}}^1$

素因数の和:1888

約数の個数: 16

約数和(自身を含む): 53621568

約数和(自身を除く): 12763663

約数列:

[1, 5, 11, 55, 571, 1301, 2855, 6281, 6505, 14311, 31405, 71555, 742871, 3714355, 8171581, 40857905]

約数ペア:

[(1, 40857905), (5, 8171581), (11, 3714355), (55, 742871), (571, 71555), (1301, 31405), (2855, 14311), (6281, 6505)]