161412080

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{49211}}^1$

素因数の和:49265

約数の個数: 40

約数和(自身を含む): 384444144

約数和(自身を除く): 223032064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 49211, 98422, 196844, 246055, 393688, 492110, 787376, 984220, 1968440, 2017651, 3936880, 4035302, 8070604, 10088255, 16141208, 20176510, 32282416, 40353020, 80706040, 161412080]

約数ペア:

[(1, 161412080), (2, 80706040), (4, 40353020), (5, 32282416), (8, 20176510), (10, 16141208), (16, 10088255), (20, 8070604), (40, 4035302), (41, 3936880), (80, 2017651), (82, 1968440), (164, 984220), (205, 787376), (328, 492110), (410, 393688), (656, 246055), (820, 196844), (1640, 98422), (3280, 49211)]