About the Number

9880240

9880239 ← → 9880241

2進数表記:100101101100001010110000

漢数字表記:九百八十八万二百四十

素因数分解:

2 4 × 5 1 × 123503 1

素因数の和:123516
約数の個数: 20
約数和(自身を含む): 22971744
約数和(自身を除く): 13091504

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 123503, 247006, 494012, 617515, 988024, 1235030, 1976048, 2470060, 4940120, 9880240]

約数ペア:
[(1, 9880240), (2, 4940120), (4, 2470060), (5, 1976048), (8, 1235030), (10, 988024), (16, 617515), (20, 494012), (40, 247006), (80, 123503)]

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