About the Number

8124020

8124019 ← → 8124021

2進数表記:11110111111011001110100

漢数字表記:八百十二万四千二十

素因数分解:

2 2 × 5 1 × 19 1 × 21379 1

素因数の和:21407
約数の個数: 24
約数和(自身を含む): 17959200
約数和(自身を除く): 9835180

約数列:
[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 21379, 42758, 85516, 106895, 213790, 406201, 427580, 812402, 1624804, 2031005, 4062010, 8124020]

約数ペア:
[(1, 8124020), (2, 4062010), (4, 2031005), (5, 1624804), (10, 812402), (19, 427580), (20, 406201), (38, 213790), (76, 106895), (95, 85516), (190, 42758), (380, 21379)]

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