About the Number

81084080

81084079 ← → 81084081

2進数表記:100110101010011111010110000

漢数字表記:八千百八万四千八十

素因数分解:

2 4 × 5 1 × 7 1 × 11 1 × 13163 1

素因数の和:13194
約数の個数: 80
約数和(自身を含む): 235056384
約数和(自身を除く): 153972304

約数列:
[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 6160, 13163, 26326, 52652, 65815, 92141, 105304, 131630, 144793, 184282, 210608, 263260, 289586, 368564, 460705, 526520, 579172, 723965, 737128, 921410, 1013551, 1053040, 1158344, 1447930, 1474256, 1842820, 2027102, 2316688, 2895860, 3685640, 4054204, 5067755, 5791720, 7371280, 8108408, 10135510, 11583440, 16216816, 20271020, 40542040, 81084080]

約数ペア:
[(1, 81084080), (2, 40542040), (4, 20271020), (5, 16216816), (7, 11583440), (8, 10135510), (10, 8108408), (11, 7371280), (14, 5791720), (16, 5067755), (20, 4054204), (22, 3685640), (28, 2895860), (35, 2316688), (40, 2027102), (44, 1842820), (55, 1474256), (56, 1447930), (70, 1158344), (77, 1053040), (80, 1013551), (88, 921410), (110, 737128), (112, 723965), (140, 579172), (154, 526520), (176, 460705), (220, 368564), (280, 289586), (308, 263260), (385, 210608), (440, 184282), (560, 144793), (616, 131630), (770, 105304), (880, 92141), (1232, 65815), (1540, 52652), (3080, 26326), (6160, 13163)]

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