About the Number

1200000040

1200000039 ← → 1200000041

2進数表記:1000111100001101000110000101000

漢数字表記:十二億四十

素因数分解:

2 3 × 5 1 × 30000001 1

素因数の和:30000012
約数の個数: 16
約数和(自身を含む): 2700000180
約数和(自身を除く): 1500000140

約数列:
[1, 2, 4, 5, 8, 10, 20, 40, 30000001, 60000002, 120000004, 150000005, 240000008, 300000010, 600000020, 1200000040]

約数ペア:
[(1, 1200000040), (2, 600000020), (4, 300000010), (5, 240000008), (8, 150000005), (10, 120000004), (20, 60000002), (40, 30000001)]

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