55581920

素因数分解:

$2^5\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1117}}^1$

素因数の和:1443

約数の個数: 48

約数和(自身を含む): 131852448

約数和(自身を除く): 76270528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 311, 622, 1117, 1244, 1555, 2234, 2488, 3110, 4468, 4976, 5585, 6220, 8936, 9952, 11170, 12440, 17872, 22340, 24880, 35744, 44680, 49760, 89360, 178720, 347387, 694774, 1389548, 1736935, 2779096, 3473870, 5558192, 6947740, 11116384, 13895480, 27790960, 55581920]

約数ペア:

[(1, 55581920), (2, 27790960), (4, 13895480), (5, 11116384), (8, 6947740), (10, 5558192), (16, 3473870), (20, 2779096), (32, 1736935), (40, 1389548), (80, 694774), (160, 347387), (311, 178720), (622, 89360), (1117, 49760), (1244, 44680), (1555, 35744), (2234, 24880), (2488, 22340), (3110, 17872), (4468, 12440), (4976, 11170), (5585, 9952), (6220, 8936)]