About the Number

12502680

12502679 ← → 12502681

2進数表記:101111101100011010011000

漢数字表記:千二百五十万二千六百八十

素因数分解:

2 3 × 3 1 × 5 1 × 43 1 × 2423 1

素因数の和:2480
約数の個数: 64
約数和(自身を含む): 38396160
約数和(自身を除く): 25893480

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2423, 2580, 4846, 5160, 7269, 9692, 12115, 14538, 19384, 24230, 29076, 36345, 48460, 58152, 72690, 96920, 104189, 145380, 208378, 290760, 312567, 416756, 520945, 625134, 833512, 1041890, 1250268, 1562835, 2083780, 2500536, 3125670, 4167560, 6251340, 12502680]

約数ペア:
[(1, 12502680), (2, 6251340), (3, 4167560), (4, 3125670), (5, 2500536), (6, 2083780), (8, 1562835), (10, 1250268), (12, 1041890), (15, 833512), (20, 625134), (24, 520945), (30, 416756), (40, 312567), (43, 290760), (60, 208378), (86, 145380), (120, 104189), (129, 96920), (172, 72690), (215, 58152), (258, 48460), (344, 36345), (430, 29076), (516, 24230), (645, 19384), (860, 14538), (1032, 12115), (1290, 9692), (1720, 7269), (2423, 5160), (2580, 4846)]

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