13985680

素因数分解:

$2^4\times 5^1\times {\mathrm{174821}}^1$

素因数の和:174834

約数の個数: 20

約数和(自身を含む): 32516892

約数和(自身を除く): 18531212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 174821, 349642, 699284, 874105, 1398568, 1748210, 2797136, 3496420, 6992840, 13985680]

約数ペア:

[(1, 13985680), (2, 6992840), (4, 3496420), (5, 2797136), (8, 1748210), (10, 1398568), (16, 874105), (20, 699284), (40, 349642), (80, 174821)]