82149020

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{10559}}^1$

素因数の和:10957

約数の個数: 24

約数和(自身を含む): 172972800

約数和(自身を除く): 90823780

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 7780, 10559, 21118, 42236, 52795, 105590, 211180, 4107451, 8214902, 16429804, 20537255, 41074510, 82149020]

約数ペア:

[(1, 82149020), (2, 41074510), (4, 20537255), (5, 16429804), (10, 8214902), (20, 4107451), (389, 211180), (778, 105590), (1556, 52795), (1945, 42236), (3890, 21118), (7780, 10559)]