80104100

素因数分解:

$2^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{7349}}^1$

素因数の和:7472

約数の個数: 36

約数和(自身を含む): 175444500

約数和(自身を除く): 95340400

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 218, 436, 545, 1090, 2180, 2725, 5450, 7349, 10900, 14698, 29396, 36745, 73490, 146980, 183725, 367450, 734900, 801041, 1602082, 3204164, 4005205, 8010410, 16020820, 20026025, 40052050, 80104100]

約数ペア:

[(1, 80104100), (2, 40052050), (4, 20026025), (5, 16020820), (10, 8010410), (20, 4005205), (25, 3204164), (50, 1602082), (100, 801041), (109, 734900), (218, 367450), (436, 183725), (545, 146980), (1090, 73490), (2180, 36745), (2725, 29396), (5450, 14698), (7349, 10900)]