13187120

素因数分解:

$2^4\times 5^1\times {\mathrm{164839}}^1$

素因数の和:164852

約数の個数: 20

約数和(自身を含む): 30660240

約数和(自身を除く): 17473120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 164839, 329678, 659356, 824195, 1318712, 1648390, 2637424, 3296780, 6593560, 13187120]

約数ペア:

[(1, 13187120), (2, 6593560), (4, 3296780), (5, 2637424), (8, 1648390), (10, 1318712), (16, 824195), (20, 659356), (40, 329678), (80, 164839)]