51775820

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{13009}}^1$

素因数の和:13217

約数の個数: 24

約数和(自身を含む): 109284000

約数和(自身を除く): 57508180

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 13009, 26018, 52036, 65045, 130090, 260180, 2588791, 5177582, 10355164, 12943955, 25887910, 51775820]

約数ペア:

[(1, 51775820), (2, 25887910), (4, 12943955), (5, 10355164), (10, 5177582), (20, 2588791), (199, 260180), (398, 130090), (796, 65045), (995, 52036), (1990, 26018), (3980, 13009)]