55756640

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18341}}^1$

素因数の和:18375

約数の個数: 48

約数和(自身を含む): 138665520

約数和(自身を除く): 82908880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 18341, 36682, 73364, 91705, 146728, 183410, 293456, 348479, 366820, 586912, 696958, 733640, 1393916, 1467280, 1742395, 2787832, 2934560, 3484790, 5575664, 6969580, 11151328, 13939160, 27878320, 55756640]

約数ペア:

[(1, 55756640), (2, 27878320), (4, 13939160), (5, 11151328), (8, 6969580), (10, 5575664), (16, 3484790), (19, 2934560), (20, 2787832), (32, 1742395), (38, 1467280), (40, 1393916), (76, 733640), (80, 696958), (95, 586912), (152, 366820), (160, 348479), (190, 293456), (304, 183410), (380, 146728), (608, 91705), (760, 73364), (1520, 36682), (3040, 18341)]