About the Number

25139140

25139139 ← → 25139141

2進数表記:1011111111001011111000100

漢数字表記:二千五百十三万九千百四十

素因数分解:

2 2 × 5 1 × 13 1 × 31 1 × 3119 1

素因数の和:3172
約数の個数: 48
約数和(自身を含む): 58705920
約数和(自身を除く): 33566780

約数列:
[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 3119, 4030, 6238, 8060, 12476, 15595, 31190, 40547, 62380, 81094, 96689, 162188, 193378, 202735, 386756, 405470, 483445, 810940, 966890, 1256957, 1933780, 2513914, 5027828, 6284785, 12569570, 25139140]

約数ペア:
[(1, 25139140), (2, 12569570), (4, 6284785), (5, 5027828), (10, 2513914), (13, 1933780), (20, 1256957), (26, 966890), (31, 810940), (52, 483445), (62, 405470), (65, 386756), (124, 202735), (130, 193378), (155, 162188), (260, 96689), (310, 81094), (403, 62380), (620, 40547), (806, 31190), (1612, 15595), (2015, 12476), (3119, 8060), (4030, 6238)]

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