About the Number

81264090

81264089 ← → 81264091

2進数表記:100110101111111110111011010

漢数字表記:八千百二十六万四千九十

素因数分解:

2 1 × 3 1 × 5 1 × 29 1 × 93407 1

素因数の和:93446
約数の個数: 32
約数和(自身を含む): 201761280
約数和(自身を除く): 120497190

約数列:
[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 870, 93407, 186814, 280221, 467035, 560442, 934070, 1401105, 2708803, 2802210, 5417606, 8126409, 13544015, 16252818, 27088030, 40632045, 81264090]

約数ペア:
[(1, 81264090), (2, 40632045), (3, 27088030), (5, 16252818), (6, 13544015), (10, 8126409), (15, 5417606), (29, 2802210), (30, 2708803), (58, 1401105), (87, 934070), (145, 560442), (174, 467035), (290, 280221), (435, 186814), (870, 93407)]

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