129692240

素因数分解:

$2^4\times 5^1\times {\mathrm{1621153}}^1$

素因数の和:1621166

約数の個数: 20

約数和(自身を含む): 301534644

約数和(自身を除く): 171842404

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1621153, 3242306, 6484612, 8105765, 12969224, 16211530, 25938448, 32423060, 64846120, 129692240]

約数ペア:

[(1, 129692240), (2, 64846120), (4, 32423060), (5, 25938448), (8, 16211530), (10, 12969224), (16, 8105765), (20, 6484612), (40, 3242306), (80, 1621153)]