About the Number

12810790

12810789 ← → 12810791

2進数表記:110000110111101000100110

漢数字表記:千二百八十一万七百九十

素因数分解:

2 1 × 5 1 × 47 1 × 97 1 × 281 1

素因数の和:432
約数の個数: 32
約数和(自身を含む): 23877504
約数和(自身を除く): 11066714

約数列:
[1, 2, 5, 10, 47, 94, 97, 194, 235, 281, 470, 485, 562, 970, 1405, 2810, 4559, 9118, 13207, 22795, 26414, 27257, 45590, 54514, 66035, 132070, 136285, 272570, 1281079, 2562158, 6405395, 12810790]

約数ペア:
[(1, 12810790), (2, 6405395), (5, 2562158), (10, 1281079), (47, 272570), (94, 136285), (97, 132070), (194, 66035), (235, 54514), (281, 45590), (470, 27257), (485, 26414), (562, 22795), (970, 13207), (1405, 9118), (2810, 4559)]

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