About the Number

131055820

131055819 ← → 131055821

2進数表記:111110011111100000011001100

漢数字表記:一億三千百五万五千八百二十

素因数分解:

2 2 × 5 1 × 7 1 × 936113 1

素因数の和:936129
約数の個数: 24
約数和(自身を含む): 314534304
約数和(自身を除く): 183478484

約数列:
[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 936113, 1872226, 3744452, 4680565, 6552791, 9361130, 13105582, 18722260, 26211164, 32763955, 65527910, 131055820]

約数ペア:
[(1, 131055820), (2, 65527910), (4, 32763955), (5, 26211164), (7, 18722260), (10, 13105582), (14, 9361130), (20, 6552791), (28, 4680565), (35, 3744452), (70, 1872226), (140, 936113)]

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