55131760

素因数分解:

$2^4\times 5^1\times {\mathrm{683}}^1\times {\mathrm{1009}}^1$

素因数の和:1705

約数の個数: 40

約数和(自身を含む): 128496240

約数和(自身を除く): 73364480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 683, 1009, 1366, 2018, 2732, 3415, 4036, 5045, 5464, 6830, 8072, 10090, 10928, 13660, 16144, 20180, 27320, 40360, 54640, 80720, 689147, 1378294, 2756588, 3445735, 5513176, 6891470, 11026352, 13782940, 27565880, 55131760]

約数ペア:

[(1, 55131760), (2, 27565880), (4, 13782940), (5, 11026352), (8, 6891470), (10, 5513176), (16, 3445735), (20, 2756588), (40, 1378294), (80, 689147), (683, 80720), (1009, 54640), (1366, 40360), (2018, 27320), (2732, 20180), (3415, 16144), (4036, 13660), (5045, 10928), (5464, 10090), (6830, 8072)]