About the Number

80971140

80971139 ← → 80971141

2進数表記:100110100111000010110000100

漢数字表記:八千九十七万千百四十

素因数分解:

2 2 × 3 1 × 5 1 × 353 1 × 3823 1

素因数の和:4188
約数の個数: 48
約数和(自身を含む): 227420928
約数和(自身を除く): 146449788

約数列:
[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 353, 706, 1059, 1412, 1765, 2118, 3530, 3823, 4236, 5295, 7060, 7646, 10590, 11469, 15292, 19115, 21180, 22938, 38230, 45876, 57345, 76460, 114690, 229380, 1349519, 2699038, 4048557, 5398076, 6747595, 8097114, 13495190, 16194228, 20242785, 26990380, 40485570, 80971140]

約数ペア:
[(1, 80971140), (2, 40485570), (3, 26990380), (4, 20242785), (5, 16194228), (6, 13495190), (10, 8097114), (12, 6747595), (15, 5398076), (20, 4048557), (30, 2699038), (60, 1349519), (353, 229380), (706, 114690), (1059, 76460), (1412, 57345), (1765, 45876), (2118, 38230), (3530, 22938), (3823, 21180), (4236, 19115), (5295, 15292), (7060, 11469), (7646, 10590)]

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