25993240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:261

約数の個数: 128

約数和(自身を含む): 74309760

約数和(自身を除く): 48316520

約数列:

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

約数ペア:

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