71132080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{271}}^1$

素因数の和:494

約数の個数: 80

約数和(自身を含む): 176667264

約数和(自身を除く): 105535184

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 193, 271, 272, 340, 386, 542, 680, 772, 965, 1084, 1355, 1360, 1544, 1930, 2168, 2710, 3088, 3281, 3860, 4336, 4607, 5420, 6562, 7720, 9214, 10840, 13124, 15440, 16405, 18428, 21680, 23035, 26248, 32810, 36856, 46070, 52303, 52496, 65620, 73712, 92140, 104606, 131240, 184280, 209212, 261515, 262480, 368560, 418424, 523030, 836848, 889151, 1046060, 1778302, 2092120, 3556604, 4184240, 4445755, 7113208, 8891510, 14226416, 17783020, 35566040, 71132080]

約数ペア:

[(1, 71132080), (2, 35566040), (4, 17783020), (5, 14226416), (8, 8891510), (10, 7113208), (16, 4445755), (17, 4184240), (20, 3556604), (34, 2092120), (40, 1778302), (68, 1046060), (80, 889151), (85, 836848), (136, 523030), (170, 418424), (193, 368560), (271, 262480), (272, 261515), (340, 209212), (386, 184280), (542, 131240), (680, 104606), (772, 92140), (965, 73712), (1084, 65620), (1355, 52496), (1360, 52303), (1544, 46070), (1930, 36856), (2168, 32810), (2710, 26248), (3088, 23035), (3281, 21680), (3860, 18428), (4336, 16405), (4607, 15440), (5420, 13124), (6562, 10840), (7720, 9214)]