51986480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:263

約数の個数: 160

約数和(自身を含む): 153573504

約数和(自身を除く): 101587024

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 37, 40, 52, 56, 65, 70, 74, 80, 91, 104, 112, 130, 140, 148, 182, 185, 193, 208, 259, 260, 280, 296, 364, 370, 386, 455, 481, 518, 520, 560, 592, 728, 740, 772, 910, 962, 965, 1036, 1040, 1295, 1351, 1456, 1480, 1544, 1820, 1924, 1930, 2072, 2405, 2509, 2590, 2702, 2960, 3088, 3367, 3640, 3848, 3860, 4144, 4810, 5018, 5180, 5404, 6734, 6755, 7141, 7280, 7696, 7720, 9620, 10036, 10360, 10808, 12545, 13468, 13510, 14282, 15440, 16835, 17563, 19240, 20072, 20720, 21616, 25090, 26936, 27020, 28564, 33670, 35126, 35705, 38480, 40144, 49987, 50180, 53872, 54040, 57128, 67340, 70252, 71410, 87815, 92833, 99974, 100360, 108080, 114256, 134680, 140504, 142820, 175630, 185666, 199948, 200720, 249935, 269360, 281008, 285640, 351260, 371332, 399896, 464165, 499870, 571280, 649831, 702520, 742664, 799792, 928330, 999740, 1299662, 1405040, 1485328, 1856660, 1999480, 2599324, 3249155, 3713320, 3998960, 5198648, 6498310, 7426640, 10397296, 12996620, 25993240, 51986480]

約数ペア:

[(1, 51986480), (2, 25993240), (4, 12996620), (5, 10397296), (7, 7426640), (8, 6498310), (10, 5198648), (13, 3998960), (14, 3713320), (16, 3249155), (20, 2599324), (26, 1999480), (28, 1856660), (35, 1485328), (37, 1405040), (40, 1299662), (52, 999740), (56, 928330), (65, 799792), (70, 742664), (74, 702520), (80, 649831), (91, 571280), (104, 499870), (112, 464165), (130, 399896), (140, 371332), (148, 351260), (182, 285640), (185, 281008), (193, 269360), (208, 249935), (259, 200720), (260, 199948), (280, 185666), (296, 175630), (364, 142820), (370, 140504), (386, 134680), (455, 114256), (481, 108080), (518, 100360), (520, 99974), (560, 92833), (592, 87815), (728, 71410), (740, 70252), (772, 67340), (910, 57128), (962, 54040), (965, 53872), (1036, 50180), (1040, 49987), (1295, 40144), (1351, 38480), (1456, 35705), (1480, 35126), (1544, 33670), (1820, 28564), (1924, 27020), (1930, 26936), (2072, 25090), (2405, 21616), (2509, 20720), (2590, 20072), (2702, 19240), (2960, 17563), (3088, 16835), (3367, 15440), (3640, 14282), (3848, 13510), (3860, 13468), (4144, 12545), (4810, 10808), (5018, 10360), (5180, 10036), (5404, 9620), (6734, 7720), (6755, 7696), (7141, 7280)]