About the Number

2008405005

2008405004 ← → 2008405006

2進数表記:1110111101101011101010000001101

漢数字表記:二十億八百四十万五千五

素因数分解:

3 1 × 5 1 × 29 1 × 811 1 × 5693 1

素因数の和:6541
約数の個数: 32
約数和(自身を含む): 3328940160
約数和(自身を除く): 1320535155

約数列:
[1, 3, 5, 15, 29, 87, 145, 435, 811, 2433, 4055, 5693, 12165, 17079, 23519, 28465, 70557, 85395, 117595, 165097, 352785, 495291, 825485, 2476455, 4617023, 13851069, 23085115, 69255345, 133893667, 401681001, 669468335, 2008405005]

約数ペア:
[(1, 2008405005), (3, 669468335), (5, 401681001), (15, 133893667), (29, 69255345), (87, 23085115), (145, 13851069), (435, 4617023), (811, 2476455), (2433, 825485), (4055, 495291), (5693, 352785), (12165, 165097), (17079, 117595), (23519, 85395), (28465, 70557)]

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