About the Number

81240124

81240123 ← → 81240125

2進数表記:100110101111010000000111100

漢数字表記:八千百二十四万百二十四

素因数分解:

2 2 × 7 1 × 19 1 × 79 1 × 1933 1

素因数の和:2042
約数の個数: 48
約数和(自身を含む): 173286400
約数和(自身を除く): 92046276

約数列:
[1, 2, 4, 7, 14, 19, 28, 38, 76, 79, 133, 158, 266, 316, 532, 553, 1106, 1501, 1933, 2212, 3002, 3866, 6004, 7732, 10507, 13531, 21014, 27062, 36727, 42028, 54124, 73454, 146908, 152707, 257089, 305414, 514178, 610828, 1028356, 1068949, 2137898, 2901433, 4275796, 5802866, 11605732, 20310031, 40620062, 81240124]

約数ペア:
[(1, 81240124), (2, 40620062), (4, 20310031), (7, 11605732), (14, 5802866), (19, 4275796), (28, 2901433), (38, 2137898), (76, 1068949), (79, 1028356), (133, 610828), (158, 514178), (266, 305414), (316, 257089), (532, 152707), (553, 146908), (1106, 73454), (1501, 54124), (1933, 42028), (2212, 36727), (3002, 27062), (3866, 21014), (6004, 13531), (7732, 10507)]

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