About the Number

9904240

9904239 ← → 9904241

2進数表記:100101110010000001110000

漢数字表記:九百九十万四千二百四十

素因数分解:

2 4 × 5 1 × 123803 1

素因数の和:123816
約数の個数: 20
約数和(自身を含む): 23027544
約数和(自身を除く): 13123304

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 123803, 247606, 495212, 619015, 990424, 1238030, 1980848, 2476060, 4952120, 9904240]

約数ペア:
[(1, 9904240), (2, 4952120), (4, 2476060), (5, 1980848), (8, 1238030), (10, 990424), (16, 619015), (20, 495212), (40, 247606), (80, 123803)]

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