51294880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{271}}^1$

素因数の和:319

約数の個数: 144

約数和(自身を含む): 150522624

約数和(自身を除く): 99227744

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 169, 182, 208, 224, 260, 271, 280, 338, 364, 416, 455, 520, 542, 560, 676, 728, 845, 910, 1040, 1084, 1120, 1183, 1352, 1355, 1456, 1690, 1820, 1897, 2080, 2168, 2366, 2704, 2710, 2912, 3380, 3523, 3640, 3794, 4336, 4732, 5408, 5420, 5915, 6760, 7046, 7280, 7588, 8672, 9464, 9485, 10840, 11830, 13520, 14092, 14560, 15176, 17615, 18928, 18970, 21680, 23660, 24661, 27040, 28184, 30352, 35230, 37856, 37940, 43360, 45799, 47320, 49322, 56368, 60704, 70460, 75880, 91598, 94640, 98644, 112736, 123305, 140920, 151760, 183196, 189280, 197288, 228995, 246610, 281840, 303520, 320593, 366392, 394576, 457990, 493220, 563680, 641186, 732784, 789152, 915980, 986440, 1282372, 1465568, 1602965, 1831960, 1972880, 2564744, 3205930, 3663920, 3945760, 5129488, 6411860, 7327840, 10258976, 12823720, 25647440, 51294880]

約数ペア:

[(1, 51294880), (2, 25647440), (4, 12823720), (5, 10258976), (7, 7327840), (8, 6411860), (10, 5129488), (13, 3945760), (14, 3663920), (16, 3205930), (20, 2564744), (26, 1972880), (28, 1831960), (32, 1602965), (35, 1465568), (40, 1282372), (52, 986440), (56, 915980), (65, 789152), (70, 732784), (80, 641186), (91, 563680), (104, 493220), (112, 457990), (130, 394576), (140, 366392), (160, 320593), (169, 303520), (182, 281840), (208, 246610), (224, 228995), (260, 197288), (271, 189280), (280, 183196), (338, 151760), (364, 140920), (416, 123305), (455, 112736), (520, 98644), (542, 94640), (560, 91598), (676, 75880), (728, 70460), (845, 60704), (910, 56368), (1040, 49322), (1084, 47320), (1120, 45799), (1183, 43360), (1352, 37940), (1355, 37856), (1456, 35230), (1690, 30352), (1820, 28184), (1897, 27040), (2080, 24661), (2168, 23660), (2366, 21680), (2704, 18970), (2710, 18928), (2912, 17615), (3380, 15176), (3523, 14560), (3640, 14092), (3794, 13520), (4336, 11830), (4732, 10840), (5408, 9485), (5420, 9464), (5915, 8672), (6760, 7588), (7046, 7280)]