26857040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{241}}^1$

素因数の和:460

約数の個数: 80

約数和(自身を含む): 72019200

約数和(自身を除く): 45162160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 199, 241, 280, 398, 482, 560, 796, 964, 995, 1205, 1393, 1592, 1687, 1928, 1990, 2410, 2786, 3184, 3374, 3856, 3980, 4820, 5572, 6748, 6965, 7960, 8435, 9640, 11144, 13496, 13930, 15920, 16870, 19280, 22288, 26992, 27860, 33740, 47959, 55720, 67480, 95918, 111440, 134960, 191836, 239795, 335713, 383672, 479590, 671426, 767344, 959180, 1342852, 1678565, 1918360, 2685704, 3357130, 3836720, 5371408, 6714260, 13428520, 26857040]

約数ペア:

[(1, 26857040), (2, 13428520), (4, 6714260), (5, 5371408), (7, 3836720), (8, 3357130), (10, 2685704), (14, 1918360), (16, 1678565), (20, 1342852), (28, 959180), (35, 767344), (40, 671426), (56, 479590), (70, 383672), (80, 335713), (112, 239795), (140, 191836), (199, 134960), (241, 111440), (280, 95918), (398, 67480), (482, 55720), (560, 47959), (796, 33740), (964, 27860), (995, 26992), (1205, 22288), (1393, 19280), (1592, 16870), (1687, 15920), (1928, 13930), (1990, 13496), (2410, 11144), (2786, 9640), (3184, 8435), (3374, 7960), (3856, 6965), (3980, 6748), (4820, 5572)]