78597040

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{4937}}^1$

素因数の和:5149

約数の個数: 40

約数和(自身を含む): 183693600

約数和(自身を除く): 105096560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1990, 3184, 3980, 4937, 7960, 9874, 15920, 19748, 24685, 39496, 49370, 78992, 98740, 197480, 394960, 982463, 1964926, 3929852, 4912315, 7859704, 9824630, 15719408, 19649260, 39298520, 78597040]

約数ペア:

[(1, 78597040), (2, 39298520), (4, 19649260), (5, 15719408), (8, 9824630), (10, 7859704), (16, 4912315), (20, 3929852), (40, 1964926), (80, 982463), (199, 394960), (398, 197480), (796, 98740), (995, 78992), (1592, 49370), (1990, 39496), (3184, 24685), (3980, 19748), (4937, 15920), (7960, 9874)]