About the Number

72689240

72689239 ← → 72689241

2進数表記:100010101010010011001011000

漢数字表記:七千二百六十八万九千二百四十

素因数分解:

2 3 × 5 1 × 13 1 × 139787 1

素因数の和:139811
約数の個数: 32
約数和(自身を含む): 176132880
約数和(自身を除く): 103443640

約数列:
[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 139787, 279574, 559148, 698935, 1118296, 1397870, 1817231, 2795740, 3634462, 5591480, 7268924, 9086155, 14537848, 18172310, 36344620, 72689240]

約数ペア:
[(1, 72689240), (2, 36344620), (4, 18172310), (5, 14537848), (8, 9086155), (10, 7268924), (13, 5591480), (20, 3634462), (26, 2795740), (40, 1817231), (52, 1397870), (65, 1118296), (104, 698935), (130, 559148), (260, 279574), (520, 139787)]

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