77387120

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{4861}}^1$

素因数の和:5073

約数の個数: 40

約数和(自身を含む): 180866400

約数和(自身を除く): 103479280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1990, 3184, 3980, 4861, 7960, 9722, 15920, 19444, 24305, 38888, 48610, 77776, 97220, 194440, 388880, 967339, 1934678, 3869356, 4836695, 7738712, 9673390, 15477424, 19346780, 38693560, 77387120]

約数ペア:

[(1, 77387120), (2, 38693560), (4, 19346780), (5, 15477424), (8, 9673390), (10, 7738712), (16, 4836695), (20, 3869356), (40, 1934678), (80, 967339), (199, 388880), (398, 194440), (796, 97220), (995, 77776), (1592, 48610), (1990, 38888), (3184, 24305), (3980, 19444), (4861, 15920), (7960, 9722)]