65036420

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{12653}}^1$

素因数の和:12919

約数の個数: 24

約数和(自身を含む): 137118744

約数和(自身を除く): 72082324

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 12653, 25306, 50612, 63265, 126530, 253060, 3251821, 6503642, 13007284, 16259105, 32518210, 65036420]

約数ペア:

[(1, 65036420), (2, 32518210), (4, 16259105), (5, 13007284), (10, 6503642), (20, 3251821), (257, 253060), (514, 126530), (1028, 63265), (1285, 50612), (2570, 25306), (5140, 12653)]