28718360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{65269}}^1$

素因数の和:65291

約数の個数: 32

約数和(自身を含む): 70491600

約数和(自身を除く): 41773240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 65269, 130538, 261076, 326345, 522152, 652690, 717959, 1305380, 1435918, 2610760, 2871836, 3589795, 5743672, 7179590, 14359180, 28718360]

約数ペア:

[(1, 28718360), (2, 14359180), (4, 7179590), (5, 5743672), (8, 3589795), (10, 2871836), (11, 2610760), (20, 1435918), (22, 1305380), (40, 717959), (44, 652690), (55, 522152), (88, 326345), (110, 261076), (220, 130538), (440, 65269)]