About the Number

8040990

8040989 ← → 8040991

2進数表記:11110101011001000011110

漢数字表記:八百四万九百九十

素因数分解:

2 1 × 3 1 × 5 1 × 19 1 × 14107 1

素因数の和:14136
約数の個数: 32
約数和(自身を含む): 20315520
約数和(自身を除く): 12274530

約数列:
[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 285, 570, 14107, 28214, 42321, 70535, 84642, 141070, 211605, 268033, 423210, 536066, 804099, 1340165, 1608198, 2680330, 4020495, 8040990]

約数ペア:
[(1, 8040990), (2, 4020495), (3, 2680330), (5, 1608198), (6, 1340165), (10, 804099), (15, 536066), (19, 423210), (30, 268033), (38, 211605), (57, 141070), (95, 84642), (114, 70535), (190, 42321), (285, 28214), (570, 14107)]

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