87504280

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{10993}}^1$

素因数の和:11203

約数の個数: 32

約数和(自身を含む): 197892000

約数和(自身を除く): 110387720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 10993, 21986, 43972, 54965, 87944, 109930, 219860, 439720, 2187607, 4375214, 8750428, 10938035, 17500856, 21876070, 43752140, 87504280]

約数ペア:

[(1, 87504280), (2, 43752140), (4, 21876070), (5, 17500856), (8, 10938035), (10, 8750428), (20, 4375214), (40, 2187607), (199, 439720), (398, 219860), (796, 109930), (995, 87944), (1592, 54965), (1990, 43972), (3980, 21986), (7960, 10993)]