About the Number

131040085

131040084 ← → 131040086

2進数表記:111110011111000001101010101

漢数字表記:一億三千百四万八十五

素因数分解:

5 1 × 11 1 × 23 1 × 71 1 × 1459 1

素因数の和:1569
約数の個数: 32
約数和(自身を含む): 181647360
約数和(自身を除く): 50607275

約数列:
[1, 5, 11, 23, 55, 71, 115, 253, 355, 781, 1265, 1459, 1633, 3905, 7295, 8165, 16049, 17963, 33557, 80245, 89815, 103589, 167785, 369127, 517945, 1139479, 1845635, 2382547, 5697395, 11912735, 26208017, 131040085]

約数ペア:
[(1, 131040085), (5, 26208017), (11, 11912735), (23, 5697395), (55, 2382547), (71, 1845635), (115, 1139479), (253, 517945), (355, 369127), (781, 167785), (1265, 103589), (1459, 89815), (1633, 80245), (3905, 33557), (7295, 17963), (8165, 16049)]

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