About the Number

81040122

81040121 ← → 81040123

2進数表記:100110101001001001011111010

漢数字表記:八千百四万百二十二

素因数分解:

2 1 × 3 3 × 17 1 × 43 1 × 2053 1

素因数の和:2124
約数の個数: 64
約数和(自身を含む): 195212160
約数和(自身を除く): 114172038

約数列:
[1, 2, 3, 6, 9, 17, 18, 27, 34, 43, 51, 54, 86, 102, 129, 153, 258, 306, 387, 459, 731, 774, 918, 1161, 1462, 2053, 2193, 2322, 4106, 4386, 6159, 6579, 12318, 13158, 18477, 19737, 34901, 36954, 39474, 55431, 69802, 88279, 104703, 110862, 176558, 209406, 264837, 314109, 529674, 628218, 794511, 942327, 1500743, 1589022, 1884654, 2383533, 3001486, 4502229, 4767066, 9004458, 13506687, 27013374, 40520061, 81040122]

約数ペア:
[(1, 81040122), (2, 40520061), (3, 27013374), (6, 13506687), (9, 9004458), (17, 4767066), (18, 4502229), (27, 3001486), (34, 2383533), (43, 1884654), (51, 1589022), (54, 1500743), (86, 942327), (102, 794511), (129, 628218), (153, 529674), (258, 314109), (306, 264837), (387, 209406), (459, 176558), (731, 110862), (774, 104703), (918, 88279), (1161, 69802), (1462, 55431), (2053, 39474), (2193, 36954), (2322, 34901), (4106, 19737), (4386, 18477), (6159, 13158), (6579, 12318)]

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