20100656072

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{463}}^1$

素因数の和:787

約数の個数: 128

約数和(自身を含む): 44739993600

約数和(自身を除く): 24639337528

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 71, 122, 142, 179, 244, 284, 358, 427, 463, 488, 497, 568, 716, 854, 926, 994, 1253, 1432, 1708, 1852, 1988, 2506, 3241, 3416, 3704, 3976, 4331, 5012, 6482, 8662, 10024, 10919, 12709, 12964, 17324, 21838, 25418, 25928, 28243, 30317, 32873, 34648, 43676, 50836, 56486, 60634, 65746, 76433, 82877, 87352, 88963, 101672, 112972, 121268, 131492, 152866, 165754, 177926, 197701, 225944, 230111, 242536, 262984, 305732, 331508, 355852, 395402, 460222, 580139, 611464, 663016, 711704, 775249, 790804, 920444, 1160278, 1550498, 1581608, 1840888, 2005253, 2320556, 3100996, 4010506, 4641112, 5055497, 5426743, 5884267, 6201992, 8021012, 10110994, 10853486, 11768534, 14036771, 16042024, 20221988, 21706972, 23537068, 28073542, 35388479, 40443976, 41189869, 43413944, 47074136, 56147084, 70776958, 82379738, 112294168, 141553916, 164759476, 283107832, 329518952, 358940287, 717880574, 1435761148, 2512582009, 2871522296, 5025164018, 10050328036, 20100656072]

約数ペア:

[(1, 20100656072), (2, 10050328036), (4, 5025164018), (7, 2871522296), (8, 2512582009), (14, 1435761148), (28, 717880574), (56, 358940287), (61, 329518952), (71, 283107832), (122, 164759476), (142, 141553916), (179, 112294168), (244, 82379738), (284, 70776958), (358, 56147084), (427, 47074136), (463, 43413944), (488, 41189869), (497, 40443976), (568, 35388479), (716, 28073542), (854, 23537068), (926, 21706972), (994, 20221988), (1253, 16042024), (1432, 14036771), (1708, 11768534), (1852, 10853486), (1988, 10110994), (2506, 8021012), (3241, 6201992), (3416, 5884267), (3704, 5426743), (3976, 5055497), (4331, 4641112), (5012, 4010506), (6482, 3100996), (8662, 2320556), (10024, 2005253), (10919, 1840888), (12709, 1581608), (12964, 1550498), (17324, 1160278), (21838, 920444), (25418, 790804), (25928, 775249), (28243, 711704), (30317, 663016), (32873, 611464), (34648, 580139), (43676, 460222), (50836, 395402), (56486, 355852), (60634, 331508), (65746, 305732), (76433, 262984), (82877, 242536), (87352, 230111), (88963, 225944), (101672, 197701), (112972, 177926), (121268, 165754), (131492, 152866)]