About the Number

12875640

12875639 ← → 12875641

2進数表記:110001000111011101111000

漢数字表記:千二百八十七万五千六百四十

素因数分解:

2 3 × 3 1 × 5 1 × 41 1 × 2617 1

素因数の和:2672
約数の個数: 64
約数和(自身を含む): 39584160
約数和(自身を除く): 26708520

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 164, 205, 246, 328, 410, 492, 615, 820, 984, 1230, 1640, 2460, 2617, 4920, 5234, 7851, 10468, 13085, 15702, 20936, 26170, 31404, 39255, 52340, 62808, 78510, 104680, 107297, 157020, 214594, 314040, 321891, 429188, 536485, 643782, 858376, 1072970, 1287564, 1609455, 2145940, 2575128, 3218910, 4291880, 6437820, 12875640]

約数ペア:
[(1, 12875640), (2, 6437820), (3, 4291880), (4, 3218910), (5, 2575128), (6, 2145940), (8, 1609455), (10, 1287564), (12, 1072970), (15, 858376), (20, 643782), (24, 536485), (30, 429188), (40, 321891), (41, 314040), (60, 214594), (82, 157020), (120, 107297), (123, 104680), (164, 78510), (205, 62808), (246, 52340), (328, 39255), (410, 31404), (492, 26170), (615, 20936), (820, 15702), (984, 13085), (1230, 10468), (1640, 7851), (2460, 5234), (2617, 4920)]

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