13519280

素因数分解:

$2^4\times 5^1\times {\mathrm{168991}}^1$

素因数の和:169004

約数の個数: 20

約数和(自身を含む): 31432512

約数和(自身を除く): 17913232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 168991, 337982, 675964, 844955, 1351928, 1689910, 2703856, 3379820, 6759640, 13519280]

約数ペア:

[(1, 13519280), (2, 6759640), (4, 3379820), (5, 2703856), (8, 1689910), (10, 1351928), (16, 844955), (20, 675964), (40, 337982), (80, 168991)]