218817440

素因数分解:

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

素因数の和:2745

約数の個数: 48

約数和(自身を含む): 517988520

約数和(自身を除く): 299171080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 661, 1322, 2069, 2644, 3305, 4138, 5288, 6610, 8276, 10345, 10576, 13220, 16552, 20690, 21152, 26440, 33104, 41380, 52880, 66208, 82760, 105760, 165520, 331040, 1367609, 2735218, 5470436, 6838045, 10940872, 13676090, 21881744, 27352180, 43763488, 54704360, 109408720, 218817440]

約数ペア:

[(1, 218817440), (2, 109408720), (4, 54704360), (5, 43763488), (8, 27352180), (10, 21881744), (16, 13676090), (20, 10940872), (32, 6838045), (40, 5470436), (80, 2735218), (160, 1367609), (661, 331040), (1322, 165520), (2069, 105760), (2644, 82760), (3305, 66208), (4138, 52880), (5288, 41380), (6610, 33104), (8276, 26440), (10345, 21152), (10576, 20690), (13220, 16552)]