About the Number

131121240

131121239 ← → 131121241

2進数表記:111110100001100000001011000

漢数字表記:一億三千百十二万千二百四十

素因数分解:

2 3 × 3 1 × 5 1 × 1092677 1

素因数の和:1092691
約数の個数: 32
約数和(自身を含む): 393364080
約数和(自身を除く): 262242840

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1092677, 2185354, 3278031, 4370708, 5463385, 6556062, 8741416, 10926770, 13112124, 16390155, 21853540, 26224248, 32780310, 43707080, 65560620, 131121240]

約数ペア:
[(1, 131121240), (2, 65560620), (3, 43707080), (4, 32780310), (5, 26224248), (6, 21853540), (8, 16390155), (10, 13112124), (12, 10926770), (15, 8741416), (20, 6556062), (24, 5463385), (30, 4370708), (40, 3278031), (60, 2185354), (120, 1092677)]

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