About the Number

125405140

125405139 ← → 125405141

2進数表記:111011110011000011111010100

漢数字表記:一億二千五百四十万五千百四十

素因数分解:

2 2 × 5 1 × 7 1 × 113 1 × 7927 1

素因数の和:8056
約数の個数: 48
約数和(自身を含む): 303674112
約数和(自身を除く): 178268972

約数列:
[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 226, 452, 565, 791, 1130, 1582, 2260, 3164, 3955, 7910, 7927, 15820, 15854, 31708, 39635, 55489, 79270, 110978, 158540, 221956, 277445, 554890, 895751, 1109780, 1791502, 3583004, 4478755, 6270257, 8957510, 12540514, 17915020, 25081028, 31351285, 62702570, 125405140]

約数ペア:
[(1, 125405140), (2, 62702570), (4, 31351285), (5, 25081028), (7, 17915020), (10, 12540514), (14, 8957510), (20, 6270257), (28, 4478755), (35, 3583004), (70, 1791502), (113, 1109780), (140, 895751), (226, 554890), (452, 277445), (565, 221956), (791, 158540), (1130, 110978), (1582, 79270), (2260, 55489), (3164, 39635), (3955, 31708), (7910, 15854), (7927, 15820)]

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