About the Number

81145376

81145375 ← → 81145377

2進数表記:100110101100010111000100000

漢数字表記:八千百十四万五千三百七十六

素因数分解:

2 5 × 13 1 × 107 1 × 1823 1

素因数の和:1953
約数の個数: 48
約数和(自身を含む): 173746944
約数和(自身を除く): 92601568

約数列:
[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 107, 208, 214, 416, 428, 856, 1391, 1712, 1823, 2782, 3424, 3646, 5564, 7292, 11128, 14584, 22256, 23699, 29168, 44512, 47398, 58336, 94796, 189592, 195061, 379184, 390122, 758368, 780244, 1560488, 2535793, 3120976, 5071586, 6241952, 10143172, 20286344, 40572688, 81145376]

約数ペア:
[(1, 81145376), (2, 40572688), (4, 20286344), (8, 10143172), (13, 6241952), (16, 5071586), (26, 3120976), (32, 2535793), (52, 1560488), (104, 780244), (107, 758368), (208, 390122), (214, 379184), (416, 195061), (428, 189592), (856, 94796), (1391, 58336), (1712, 47398), (1823, 44512), (2782, 29168), (3424, 23699), (3646, 22256), (5564, 14584), (7292, 11128)]

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