13581520

素因数分解:

$2^4\times 5^1\times {\mathrm{169769}}^1$

素因数の和:169782

約数の個数: 20

約数和(自身を含む): 31577220

約数和(自身を除く): 17995700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 169769, 339538, 679076, 848845, 1358152, 1697690, 2716304, 3395380, 6790760, 13581520]

約数ペア:

[(1, 13581520), (2, 6790760), (4, 3395380), (5, 2716304), (8, 1697690), (10, 1358152), (16, 848845), (20, 679076), (40, 339538), (80, 169769)]