12716440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28901}}^1$

素因数の和:28923

約数の個数: 32

約数和(自身を含む): 31214160

約数和(自身を除く): 18497720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 28901, 57802, 115604, 144505, 231208, 289010, 317911, 578020, 635822, 1156040, 1271644, 1589555, 2543288, 3179110, 6358220, 12716440]

約数ペア:

[(1, 12716440), (2, 6358220), (4, 3179110), (5, 2543288), (8, 1589555), (10, 1271644), (11, 1156040), (20, 635822), (22, 578020), (40, 317911), (44, 289010), (55, 231208), (88, 144505), (110, 115604), (220, 57802), (440, 28901)]