About the Number

81008480

81008479 ← → 81008481

2進数表記:100110101000001011101100000

漢数字表記:八千百万八千四百八十

素因数分解:

2 5 × 5 1 × 7 1 × 151 1 × 479 1

素因数の和:652
約数の個数: 96
約数和(自身を含む): 220631040
約数和(自身を除く): 139622560

約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 151, 160, 224, 280, 302, 479, 560, 604, 755, 958, 1057, 1120, 1208, 1510, 1916, 2114, 2395, 2416, 3020, 3353, 3832, 4228, 4790, 4832, 5285, 6040, 6706, 7664, 8456, 9580, 10570, 12080, 13412, 15328, 16765, 16912, 19160, 21140, 24160, 26824, 33530, 33824, 38320, 42280, 53648, 67060, 72329, 76640, 84560, 107296, 134120, 144658, 169120, 268240, 289316, 361645, 506303, 536480, 578632, 723290, 1012606, 1157264, 1446580, 2025212, 2314528, 2531515, 2893160, 4050424, 5063030, 5786320, 8100848, 10126060, 11572640, 16201696, 20252120, 40504240, 81008480]

約数ペア:
[(1, 81008480), (2, 40504240), (4, 20252120), (5, 16201696), (7, 11572640), (8, 10126060), (10, 8100848), (14, 5786320), (16, 5063030), (20, 4050424), (28, 2893160), (32, 2531515), (35, 2314528), (40, 2025212), (56, 1446580), (70, 1157264), (80, 1012606), (112, 723290), (140, 578632), (151, 536480), (160, 506303), (224, 361645), (280, 289316), (302, 268240), (479, 169120), (560, 144658), (604, 134120), (755, 107296), (958, 84560), (1057, 76640), (1120, 72329), (1208, 67060), (1510, 53648), (1916, 42280), (2114, 38320), (2395, 33824), (2416, 33530), (3020, 26824), (3353, 24160), (3832, 21140), (4228, 19160), (4790, 16912), (4832, 16765), (5285, 15328), (6040, 13412), (6706, 12080), (7664, 10570), (8456, 9580)]

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