54704360

素因数分解:

$2^3\times 5^1\times {\mathrm{661}}^1\times {\mathrm{2069}}^1$

素因数の和:2741

約数の個数: 32

約数和(自身を含む): 123330600

約数和(自身を除く): 68626240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 661, 1322, 2069, 2644, 3305, 4138, 5288, 6610, 8276, 10345, 13220, 16552, 20690, 26440, 41380, 82760, 1367609, 2735218, 5470436, 6838045, 10940872, 13676090, 27352180, 54704360]

約数ペア:

[(1, 54704360), (2, 27352180), (4, 13676090), (5, 10940872), (8, 6838045), (10, 5470436), (20, 2735218), (40, 1367609), (661, 82760), (1322, 41380), (2069, 26440), (2644, 20690), (3305, 16552), (4138, 13220), (5288, 10345), (6610, 8276)]