20170111120

素因数分解:

$2^4\times 5^1\times {\mathrm{1087}}^1\times {\mathrm{231947}}^1$

素因数の和:233047

約数の個数: 40

約数和(自身を含む): 46938852864

約数和(自身を除く): 26768741744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1087, 2174, 4348, 5435, 8696, 10870, 17392, 21740, 43480, 86960, 231947, 463894, 927788, 1159735, 1855576, 2319470, 3711152, 4638940, 9277880, 18555760, 252126389, 504252778, 1008505556, 1260631945, 2017011112, 2521263890, 4034022224, 5042527780, 10085055560, 20170111120]

約数ペア:

[(1, 20170111120), (2, 10085055560), (4, 5042527780), (5, 4034022224), (8, 2521263890), (10, 2017011112), (16, 1260631945), (20, 1008505556), (40, 504252778), (80, 252126389), (1087, 18555760), (2174, 9277880), (4348, 4638940), (5435, 3711152), (8696, 2319470), (10870, 1855576), (17392, 1159735), (21740, 927788), (43480, 463894), (86960, 231947)]