9953669140

素因数分解:

$2^2\times 5^1\times {\mathrm{997}}^1\times {\mathrm{499181}}^1$

素因数の和:500187

約数の個数: 24

約数和(自身を含む): 20923712712

約数和(自身を除く): 10970043572

約数列:

[1, 2, 4, 5, 10, 20, 997, 1994, 3988, 4985, 9970, 19940, 499181, 998362, 1996724, 2495905, 4991810, 9983620, 497683457, 995366914, 1990733828, 2488417285, 4976834570, 9953669140]

約数ペア:

[(1, 9953669140), (2, 4976834570), (4, 2488417285), (5, 1990733828), (10, 995366914), (20, 497683457), (997, 9983620), (1994, 4991810), (3988, 2495905), (4985, 1996724), (9970, 998362), (19940, 499181)]