2521520

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{733}}^1$

素因数の和:789

約数の個数: 40

約数和(自身を含む): 6007056

約数和(自身を除く): 3485536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 733, 860, 1466, 1720, 2932, 3440, 3665, 5864, 7330, 11728, 14660, 29320, 31519, 58640, 63038, 126076, 157595, 252152, 315190, 504304, 630380, 1260760, 2521520]

約数ペア:

[(1, 2521520), (2, 1260760), (4, 630380), (5, 504304), (8, 315190), (10, 252152), (16, 157595), (20, 126076), (40, 63038), (43, 58640), (80, 31519), (86, 29320), (172, 14660), (215, 11728), (344, 7330), (430, 5864), (688, 3665), (733, 3440), (860, 2932), (1466, 1720)]