28162640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32003}}^1$

素因数の和:32027

約数の個数: 40

約数和(自身を含む): 71432928

約数和(自身を除く): 43270288

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 32003, 64006, 128012, 160015, 256024, 320030, 352033, 512048, 640060, 704066, 1280120, 1408132, 1760165, 2560240, 2816264, 3520330, 5632528, 7040660, 14081320, 28162640]

約数ペア:

[(1, 28162640), (2, 14081320), (4, 7040660), (5, 5632528), (8, 3520330), (10, 2816264), (11, 2560240), (16, 1760165), (20, 1408132), (22, 1280120), (40, 704066), (44, 640060), (55, 512048), (80, 352033), (88, 320030), (110, 256024), (176, 160015), (220, 128012), (440, 64006), (880, 32003)]