49895180

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{28031}}^1$

素因数の和:28129

約数の個数: 24

約数和(自身を含む): 105960960

約数和(自身を除く): 56065780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 28031, 56062, 112124, 140155, 280310, 560620, 2494759, 4989518, 9979036, 12473795, 24947590, 49895180]

約数ペア:

[(1, 49895180), (2, 24947590), (4, 12473795), (5, 9979036), (10, 4989518), (20, 2494759), (89, 560620), (178, 280310), (356, 140155), (445, 112124), (890, 56062), (1780, 28031)]