8452240

素因数分解:

$2^4\times 5^1\times {\mathrm{105653}}^1$

素因数の和:105666

約数の個数: 20

約数和(自身を含む): 19651644

約数和(自身を除く): 11199404

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 105653, 211306, 422612, 528265, 845224, 1056530, 1690448, 2113060, 4226120, 8452240]

約数ペア:

[(1, 8452240), (2, 4226120), (4, 2113060), (5, 1690448), (8, 1056530), (10, 845224), (16, 528265), (20, 422612), (40, 211306), (80, 105653)]