13191440

素因数分解:

$2^4\times 5^1\times {\mathrm{164893}}^1$

素因数の和:164906

約数の個数: 20

約数和(自身を含む): 30670284

約数和(自身を除く): 17478844

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 164893, 329786, 659572, 824465, 1319144, 1648930, 2638288, 3297860, 6595720, 13191440]

約数ペア:

[(1, 13191440), (2, 6595720), (4, 3297860), (5, 2638288), (8, 1648930), (10, 1319144), (16, 824465), (20, 659572), (40, 329786), (80, 164893)]