8161004080

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2488111}}^1$

素因数の和:2488165

約数の個数: 40

約数和(自身を含む): 19437130944

約数和(自身を除く): 11276126864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 2488111, 4976222, 9952444, 12440555, 19904888, 24881110, 39809776, 49762220, 99524440, 102012551, 199048880, 204025102, 408050204, 510062755, 816100408, 1020125510, 1632200816, 2040251020, 4080502040, 8161004080]

約数ペア:

[(1, 8161004080), (2, 4080502040), (4, 2040251020), (5, 1632200816), (8, 1020125510), (10, 816100408), (16, 510062755), (20, 408050204), (40, 204025102), (41, 199048880), (80, 102012551), (82, 99524440), (164, 49762220), (205, 39809776), (328, 24881110), (410, 19904888), (656, 12440555), (820, 9952444), (1640, 4976222), (3280, 2488111)]