8121440

素因数分解:

$2^5\times 5^1\times {\mathrm{193}}^1\times {\mathrm{263}}^1$

素因数の和:471

約数の個数: 48

約数和(自身を含む): 19359648

約数和(自身を除く): 11238208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 193, 263, 386, 526, 772, 965, 1052, 1315, 1544, 1930, 2104, 2630, 3088, 3860, 4208, 5260, 6176, 7720, 8416, 10520, 15440, 21040, 30880, 42080, 50759, 101518, 203036, 253795, 406072, 507590, 812144, 1015180, 1624288, 2030360, 4060720, 8121440]

約数ペア:

[(1, 8121440), (2, 4060720), (4, 2030360), (5, 1624288), (8, 1015180), (10, 812144), (16, 507590), (20, 406072), (32, 253795), (40, 203036), (80, 101518), (160, 50759), (193, 42080), (263, 30880), (386, 21040), (526, 15440), (772, 10520), (965, 8416), (1052, 7720), (1315, 6176), (1544, 5260), (1930, 4208), (2104, 3860), (2630, 3088)]