550480520

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{126257}}^1$

素因数の和:126377

約数の個数: 32

約数和(自身を含む): 1249954200

約数和(自身を除く): 699473680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 126257, 252514, 505028, 631285, 1010056, 1262570, 2525140, 5050280, 13762013, 27524026, 55048052, 68810065, 110096104, 137620130, 275240260, 550480520]

約数ペア:

[(1, 550480520), (2, 275240260), (4, 137620130), (5, 110096104), (8, 68810065), (10, 55048052), (20, 27524026), (40, 13762013), (109, 5050280), (218, 2525140), (436, 1262570), (545, 1010056), (872, 631285), (1090, 505028), (2180, 252514), (4360, 126257)]