16405540

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{13903}}^1$

素因数の和:13971

約数の個数: 24

約数和(自身を含む): 35038080

約数和(自身を除く): 18632540

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 13903, 27806, 55612, 69515, 139030, 278060, 820277, 1640554, 3281108, 4101385, 8202770, 16405540]

約数ペア:

[(1, 16405540), (2, 8202770), (4, 4101385), (5, 3281108), (10, 1640554), (20, 820277), (59, 278060), (118, 139030), (236, 69515), (295, 55612), (590, 27806), (1180, 13903)]