84340180

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{21191}}^1$

素因数の和:21399

約数の個数: 24

約数和(自身を含む): 178012800

約数和(自身を除く): 93672620

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 21191, 42382, 84764, 105955, 211910, 423820, 4217009, 8434018, 16868036, 21085045, 42170090, 84340180]

約数ペア:

[(1, 84340180), (2, 42170090), (4, 21085045), (5, 16868036), (10, 8434018), (20, 4217009), (199, 423820), (398, 211910), (796, 105955), (995, 84764), (1990, 42382), (3980, 21191)]