80212240

素因数分解:

$2^4\times 5^1\times {\mathrm{1002653}}^1$

素因数の和:1002666

約数の個数: 20

約数和(自身を含む): 186493644

約数和(自身を除く): 106281404

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1002653, 2005306, 4010612, 5013265, 8021224, 10026530, 16042448, 20053060, 40106120, 80212240]

約数ペア:

[(1, 80212240), (2, 40106120), (4, 20053060), (5, 16042448), (8, 10026530), (10, 8021224), (16, 5013265), (20, 4010612), (40, 2005306), (80, 1002653)]