About the Number

12980448

12980447 ← → 12980449

2進数表記:110001100001000011100000

漢数字表記:千二百九十八万四百四十八

素因数分解:

2 5 × 3 2 × 13 1 × 3467 1

素因数の和:3496
約数の個数: 72
約数和(自身を含む): 39764088
約数和(自身を除く): 26783640

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3467, 3744, 6934, 10401, 13868, 20802, 27736, 31203, 41604, 45071, 55472, 62406, 83208, 90142, 110944, 124812, 135213, 166416, 180284, 249624, 270426, 332832, 360568, 405639, 499248, 540852, 721136, 811278, 998496, 1081704, 1442272, 1622556, 2163408, 3245112, 4326816, 6490224, 12980448]

約数ペア:
[(1, 12980448), (2, 6490224), (3, 4326816), (4, 3245112), (6, 2163408), (8, 1622556), (9, 1442272), (12, 1081704), (13, 998496), (16, 811278), (18, 721136), (24, 540852), (26, 499248), (32, 405639), (36, 360568), (39, 332832), (48, 270426), (52, 249624), (72, 180284), (78, 166416), (96, 135213), (104, 124812), (117, 110944), (144, 90142), (156, 83208), (208, 62406), (234, 55472), (288, 45071), (312, 41604), (416, 31203), (468, 27736), (624, 20802), (936, 13868), (1248, 10401), (1872, 6934), (3467, 3744)]

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