20161115860

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{5065607}}^1$

素因数の和:5065815

約数の個数: 24

約数和(自身を含む): 42551107200

約数和(自身を除く): 22389991340

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 5065607, 10131214, 20262428, 25328035, 50656070, 101312140, 1008055793, 2016111586, 4032223172, 5040278965, 10080557930, 20161115860]

約数ペア:

[(1, 20161115860), (2, 10080557930), (4, 5040278965), (5, 4032223172), (10, 2016111586), (20, 1008055793), (199, 101312140), (398, 50656070), (796, 25328035), (995, 20262428), (1990, 10131214), (3980, 5065607)]