About the Number

1312920740

1312920739 ← → 1312920741

2進数表記:1001110010000011001010010100100

漢数字表記:十三億千二百九十二万七百四十

素因数分解:

2 2 × 5 1 × 3259 1 × 20143 1

素因数の和:23411
約数の個数: 24
約数和(自身を含む): 2758116480
約数和(自身を除く): 1445195740

約数列:
[1, 2, 4, 5, 10, 20, 3259, 6518, 13036, 16295, 20143, 32590, 40286, 65180, 80572, 100715, 201430, 402860, 65646037, 131292074, 262584148, 328230185, 656460370, 1312920740]

約数ペア:
[(1, 1312920740), (2, 656460370), (4, 328230185), (5, 262584148), (10, 131292074), (20, 65646037), (3259, 402860), (6518, 201430), (13036, 100715), (16295, 80572), (20143, 65180), (32590, 40286)]

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