About the Number

80390180

80390179 ← → 80390181

2進数表記:100110010101010100000100100

漢数字表記:八千三十九万百八十

素因数分解:

2 2 × 5 1 × 13 1 × 309193 1

素因数の和:309215
約数の個数: 24
約数和(自身を含む): 181806072
約数和(自身を除く): 101415892

約数列:
[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 309193, 618386, 1236772, 1545965, 3091930, 4019509, 6183860, 8039018, 16078036, 20097545, 40195090, 80390180]

約数ペア:
[(1, 80390180), (2, 40195090), (4, 20097545), (5, 16078036), (10, 8039018), (13, 6183860), (20, 4019509), (26, 3091930), (52, 1545965), (65, 1236772), (130, 618386), (260, 309193)]

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