39892240

素因数分解:

$2^4\times 5^1\times {\mathrm{498653}}^1$

素因数の和:498666

約数の個数: 20

約数和(自身を含む): 92749644

約数和(自身を除く): 52857404

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 498653, 997306, 1994612, 2493265, 3989224, 4986530, 7978448, 9973060, 19946120, 39892240]

約数ペア:

[(1, 39892240), (2, 19946120), (4, 9973060), (5, 7978448), (8, 4986530), (10, 3989224), (16, 2493265), (20, 1994612), (40, 997306), (80, 498653)]