129655520

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{27943}}^1$

素因数の和:27987

約数の個数: 48

約数和(自身を含む): 316884960

約数和(自身を除く): 187229440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 580, 928, 1160, 2320, 4640, 27943, 55886, 111772, 139715, 223544, 279430, 447088, 558860, 810347, 894176, 1117720, 1620694, 2235440, 3241388, 4051735, 4470880, 6482776, 8103470, 12965552, 16206940, 25931104, 32413880, 64827760, 129655520]

約数ペア:

[(1, 129655520), (2, 64827760), (4, 32413880), (5, 25931104), (8, 16206940), (10, 12965552), (16, 8103470), (20, 6482776), (29, 4470880), (32, 4051735), (40, 3241388), (58, 2235440), (80, 1620694), (116, 1117720), (145, 894176), (160, 810347), (232, 558860), (290, 447088), (464, 279430), (580, 223544), (928, 139715), (1160, 111772), (2320, 55886), (4640, 27943)]