About the Number

42012380

42012379 ← → 42012381

2進数表記:10100000010000111011011100

漢数字表記:四千二百一万二千三百八十

素因数分解:

2 2 × 5 1 × 251 1 × 8369 1

素因数の和:8629
約数の個数: 24
約数和(自身を含む): 88588080
約数和(自身を除く): 46575700

約数列:
[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 5020, 8369, 16738, 33476, 41845, 83690, 167380, 2100619, 4201238, 8402476, 10503095, 21006190, 42012380]

約数ペア:
[(1, 42012380), (2, 21006190), (4, 10503095), (5, 8402476), (10, 4201238), (20, 2100619), (251, 167380), (502, 83690), (1004, 41845), (1255, 33476), (2510, 16738), (5020, 8369)]

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