About the Number

71007280

71007279 ← → 71007281

2進数表記:100001110110111110000110000

漢数字表記:七千百万七千二百八十

素因数分解:

2 4 × 5 1 × 53 1 × 16747 1

素因数の和:16813
約数の個数: 40
約数和(自身を含む): 168216912
約数和(自身を除く): 97209632

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 16747, 33494, 66988, 83735, 133976, 167470, 267952, 334940, 669880, 887591, 1339760, 1775182, 3550364, 4437955, 7100728, 8875910, 14201456, 17751820, 35503640, 71007280]

約数ペア:
[(1, 71007280), (2, 35503640), (4, 17751820), (5, 14201456), (8, 8875910), (10, 7100728), (16, 4437955), (20, 3550364), (40, 1775182), (53, 1339760), (80, 887591), (106, 669880), (212, 334940), (265, 267952), (424, 167470), (530, 133976), (848, 83735), (1060, 66988), (2120, 33494), (4240, 16747)]

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