87201040

素因数分解:

$2^4\times 5^1\times {\mathrm{1090013}}^1$

素因数の和:1090026

約数の個数: 20

約数和(自身を含む): 202742604

約数和(自身を除く): 115541564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1090013, 2180026, 4360052, 5450065, 8720104, 10900130, 17440208, 21800260, 43600520, 87201040]

約数ペア:

[(1, 87201040), (2, 43600520), (4, 21800260), (5, 17440208), (8, 10900130), (10, 8720104), (16, 5450065), (20, 4360052), (40, 2180026), (80, 1090013)]