8209040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:264

約数の個数: 80

約数和(自身を含む): 22177152

約数和(自身を除く): 13968112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 107, 112, 137, 140, 214, 274, 280, 428, 535, 548, 560, 685, 749, 856, 959, 1070, 1096, 1370, 1498, 1712, 1918, 2140, 2192, 2740, 2996, 3745, 3836, 4280, 4795, 5480, 5992, 7490, 7672, 8560, 9590, 10960, 11984, 14659, 14980, 15344, 19180, 29318, 29960, 38360, 58636, 59920, 73295, 76720, 102613, 117272, 146590, 205226, 234544, 293180, 410452, 513065, 586360, 820904, 1026130, 1172720, 1641808, 2052260, 4104520, 8209040]

約数ペア:

[(1, 8209040), (2, 4104520), (4, 2052260), (5, 1641808), (7, 1172720), (8, 1026130), (10, 820904), (14, 586360), (16, 513065), (20, 410452), (28, 293180), (35, 234544), (40, 205226), (56, 146590), (70, 117272), (80, 102613), (107, 76720), (112, 73295), (137, 59920), (140, 58636), (214, 38360), (274, 29960), (280, 29318), (428, 19180), (535, 15344), (548, 14980), (560, 14659), (685, 11984), (749, 10960), (856, 9590), (959, 8560), (1070, 7672), (1096, 7490), (1370, 5992), (1498, 5480), (1712, 4795), (1918, 4280), (2140, 3836), (2192, 3745), (2740, 2996)]