184720520

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{43159}}^1$

素因数の和:43277

約数の個数: 32

約数和(自身を含む): 419515200

約数和(自身を除く): 234794680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 43159, 86318, 172636, 215795, 345272, 431590, 863180, 1726360, 4618013, 9236026, 18472052, 23090065, 36944104, 46180130, 92360260, 184720520]

約数ペア:

[(1, 184720520), (2, 92360260), (4, 46180130), (5, 36944104), (8, 23090065), (10, 18472052), (20, 9236026), (40, 4618013), (107, 1726360), (214, 863180), (428, 431590), (535, 345272), (856, 215795), (1070, 172636), (2140, 86318), (4280, 43159)]