27878320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18341}}^1$

素因数の和:18373

約数の個数: 40

約数和(自身を含む): 68232240

約数和(自身を除く): 40353920

約数列:

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

約数ペア:

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