4089771520

素因数分解:

$2^9\times 5^1\times {\mathrm{1597567}}^1$

素因数の和:1597590

約数の個数: 40

約数和(自身を含む): 9805872384

約数和(自身を除く): 5716100864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 1597567, 3195134, 6390268, 7987835, 12780536, 15975670, 25561072, 31951340, 51122144, 63902680, 102244288, 127805360, 204488576, 255610720, 408977152, 511221440, 817954304, 1022442880, 2044885760, 4089771520]

約数ペア:

[(1, 4089771520), (2, 2044885760), (4, 1022442880), (5, 817954304), (8, 511221440), (10, 408977152), (16, 255610720), (20, 204488576), (32, 127805360), (40, 102244288), (64, 63902680), (80, 51122144), (128, 31951340), (160, 25561072), (256, 15975670), (320, 12780536), (512, 7987835), (640, 6390268), (1280, 3195134), (2560, 1597567)]