About the Number

80291988

80291987 ← → 80291989

2進数表記:100110010010010100010010100

漢数字表記:八千二十九万千九百八十八

素因数分解:

2 2 × 3 2 × 7 2 × 23 1 × 1979 1

素因数の和:2026
約数の個数: 108
約数和(自身を含む): 246486240
約数和(自身を除く): 166194252

約数列:
[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 49, 63, 69, 84, 92, 98, 126, 138, 147, 161, 196, 207, 252, 276, 294, 322, 414, 441, 483, 588, 644, 828, 882, 966, 1127, 1449, 1764, 1932, 1979, 2254, 2898, 3381, 3958, 4508, 5796, 5937, 6762, 7916, 10143, 11874, 13524, 13853, 17811, 20286, 23748, 27706, 35622, 40572, 41559, 45517, 55412, 71244, 83118, 91034, 96971, 124677, 136551, 166236, 182068, 193942, 249354, 273102, 290913, 318619, 387884, 409653, 498708, 546204, 581826, 637238, 819306, 872739, 955857, 1163652, 1274476, 1638612, 1745478, 1911714, 2230333, 2867571, 3490956, 3823428, 4460666, 5735142, 6690999, 8921332, 11470284, 13381998, 20072997, 26763996, 40145994, 80291988]

約数ペア:
[(1, 80291988), (2, 40145994), (3, 26763996), (4, 20072997), (6, 13381998), (7, 11470284), (9, 8921332), (12, 6690999), (14, 5735142), (18, 4460666), (21, 3823428), (23, 3490956), (28, 2867571), (36, 2230333), (42, 1911714), (46, 1745478), (49, 1638612), (63, 1274476), (69, 1163652), (84, 955857), (92, 872739), (98, 819306), (126, 637238), (138, 581826), (147, 546204), (161, 498708), (196, 409653), (207, 387884), (252, 318619), (276, 290913), (294, 273102), (322, 249354), (414, 193942), (441, 182068), (483, 166236), (588, 136551), (644, 124677), (828, 96971), (882, 91034), (966, 83118), (1127, 71244), (1449, 55412), (1764, 45517), (1932, 41559), (1979, 40572), (2254, 35622), (2898, 27706), (3381, 23748), (3958, 20286), (4508, 17811), (5796, 13853), (5937, 13524), (6762, 11874), (7916, 10143)]

このpageの処理時間: 0.011267662048339844 seconds