258692240

素因数分解:

$2^4\times 5^1\times {\mathrm{3233653}}^1$

素因数の和:3233666

約数の個数: 20

約数和(自身を含む): 601459644

約数和(自身を除く): 342767404

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3233653, 6467306, 12934612, 16168265, 25869224, 32336530, 51738448, 64673060, 129346120, 258692240]

約数ペア:

[(1, 258692240), (2, 129346120), (4, 64673060), (5, 51738448), (8, 32336530), (10, 25869224), (16, 16168265), (20, 12934612), (40, 6467306), (80, 3233653)]