13211440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15013}}^1$

素因数の和:15037

約数の個数: 40

約数和(自身を含む): 33511248

約数和(自身を除く): 20299808

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 15013, 30026, 60052, 75065, 120104, 150130, 165143, 240208, 300260, 330286, 600520, 660572, 825715, 1201040, 1321144, 1651430, 2642288, 3302860, 6605720, 13211440]

約数ペア:

[(1, 13211440), (2, 6605720), (4, 3302860), (5, 2642288), (8, 1651430), (10, 1321144), (11, 1201040), (16, 825715), (20, 660572), (22, 600520), (40, 330286), (44, 300260), (55, 240208), (80, 165143), (88, 150130), (110, 120104), (176, 75065), (220, 60052), (440, 30026), (880, 15013)]