2080203440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{463}}^1$

素因数の和:667

約数の個数: 160

約数和(自身を含む): 5667065856

約数和(自身を除く): 3586862416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 113, 140, 142, 226, 280, 284, 355, 452, 463, 497, 560, 565, 568, 710, 791, 904, 926, 994, 1130, 1136, 1420, 1582, 1808, 1852, 1988, 2260, 2315, 2485, 2840, 3164, 3241, 3704, 3955, 3976, 4520, 4630, 4970, 5680, 6328, 6482, 7408, 7910, 7952, 8023, 9040, 9260, 9940, 12656, 12964, 15820, 16046, 16205, 18520, 19880, 25928, 31640, 32092, 32410, 32873, 37040, 39760, 40115, 51856, 52319, 56161, 63280, 64184, 64820, 65746, 80230, 104638, 112322, 128368, 129640, 131492, 160460, 164365, 209276, 224644, 230111, 259280, 261595, 262984, 280805, 320920, 328730, 366233, 418552, 449288, 460222, 523190, 525968, 561610, 641840, 657460, 732466, 837104, 898576, 920444, 1046380, 1123220, 1150555, 1314920, 1464932, 1831165, 1840888, 2092760, 2246440, 2301110, 2629840, 2929864, 3662330, 3681776, 3714649, 4185520, 4492880, 4602220, 5859728, 7324660, 7429298, 9204440, 14649320, 14858596, 18408880, 18573245, 26002543, 29298640, 29717192, 37146490, 52005086, 59434384, 74292980, 104010172, 130012715, 148585960, 208020344, 260025430, 297171920, 416040688, 520050860, 1040101720, 2080203440]

約数ペア:

[(1, 2080203440), (2, 1040101720), (4, 520050860), (5, 416040688), (7, 297171920), (8, 260025430), (10, 208020344), (14, 148585960), (16, 130012715), (20, 104010172), (28, 74292980), (35, 59434384), (40, 52005086), (56, 37146490), (70, 29717192), (71, 29298640), (80, 26002543), (112, 18573245), (113, 18408880), (140, 14858596), (142, 14649320), (226, 9204440), (280, 7429298), (284, 7324660), (355, 5859728), (452, 4602220), (463, 4492880), (497, 4185520), (560, 3714649), (565, 3681776), (568, 3662330), (710, 2929864), (791, 2629840), (904, 2301110), (926, 2246440), (994, 2092760), (1130, 1840888), (1136, 1831165), (1420, 1464932), (1582, 1314920), (1808, 1150555), (1852, 1123220), (1988, 1046380), (2260, 920444), (2315, 898576), (2485, 837104), (2840, 732466), (3164, 657460), (3241, 641840), (3704, 561610), (3955, 525968), (3976, 523190), (4520, 460222), (4630, 449288), (4970, 418552), (5680, 366233), (6328, 328730), (6482, 320920), (7408, 280805), (7910, 262984), (7952, 261595), (8023, 259280), (9040, 230111), (9260, 224644), (9940, 209276), (12656, 164365), (12964, 160460), (15820, 131492), (16046, 129640), (16205, 128368), (18520, 112322), (19880, 104638), (25928, 80230), (31640, 65746), (32092, 64820), (32410, 64184), (32873, 63280), (37040, 56161), (39760, 52319), (40115, 51856)]