49577840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{193}}^1$

素因数の和:251

約数の個数: 120

約数和(自身を含む): 132067440

約数和(自身を除く): 82489600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 169, 190, 193, 208, 247, 260, 304, 338, 380, 386, 494, 520, 676, 760, 772, 845, 965, 988, 1040, 1235, 1352, 1520, 1544, 1690, 1930, 1976, 2470, 2509, 2704, 3088, 3211, 3380, 3667, 3860, 3952, 4940, 5018, 6422, 6760, 7334, 7720, 9880, 10036, 12545, 12844, 13520, 14668, 15440, 16055, 18335, 19760, 20072, 25090, 25688, 29336, 32110, 32617, 36670, 40144, 47671, 50180, 51376, 58672, 64220, 65234, 73340, 95342, 100360, 128440, 130468, 146680, 163085, 190684, 200720, 238355, 256880, 260936, 293360, 326170, 381368, 476710, 521872, 619723, 652340, 762736, 953420, 1239446, 1304680, 1906840, 2478892, 2609360, 3098615, 3813680, 4957784, 6197230, 9915568, 12394460, 24788920, 49577840]

約数ペア:

[(1, 49577840), (2, 24788920), (4, 12394460), (5, 9915568), (8, 6197230), (10, 4957784), (13, 3813680), (16, 3098615), (19, 2609360), (20, 2478892), (26, 1906840), (38, 1304680), (40, 1239446), (52, 953420), (65, 762736), (76, 652340), (80, 619723), (95, 521872), (104, 476710), (130, 381368), (152, 326170), (169, 293360), (190, 260936), (193, 256880), (208, 238355), (247, 200720), (260, 190684), (304, 163085), (338, 146680), (380, 130468), (386, 128440), (494, 100360), (520, 95342), (676, 73340), (760, 65234), (772, 64220), (845, 58672), (965, 51376), (988, 50180), (1040, 47671), (1235, 40144), (1352, 36670), (1520, 32617), (1544, 32110), (1690, 29336), (1930, 25688), (1976, 25090), (2470, 20072), (2509, 19760), (2704, 18335), (3088, 16055), (3211, 15440), (3380, 14668), (3667, 13520), (3860, 12844), (3952, 12545), (4940, 10036), (5018, 9880), (6422, 7720), (6760, 7334)]