1220080

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1$

素因数の和:265

約数の個数: 40

約数和(自身を含む): 2883744

約数和(自身を除く): 1663664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 151, 202, 302, 404, 505, 604, 755, 808, 1010, 1208, 1510, 1616, 2020, 2416, 3020, 4040, 6040, 8080, 12080, 15251, 30502, 61004, 76255, 122008, 152510, 244016, 305020, 610040, 1220080]

約数ペア:

[(1, 1220080), (2, 610040), (4, 305020), (5, 244016), (8, 152510), (10, 122008), (16, 76255), (20, 61004), (40, 30502), (80, 15251), (101, 12080), (151, 8080), (202, 6040), (302, 4040), (404, 3020), (505, 2416), (604, 2020), (755, 1616), (808, 1510), (1010, 1208)]