About the Number

71240

71239 ← → 71241

2進数表記:10001011001001000

漢数字表記:七万千二百四十

素因数分解:

2 3 × 5 1 × 13 1 × 137 1

素因数の和:161
約数の個数: 32
約数和(自身を含む): 173880
約数和(自身を除く): 102640

約数列:
[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 137, 260, 274, 520, 548, 685, 1096, 1370, 1781, 2740, 3562, 5480, 7124, 8905, 14248, 17810, 35620, 71240]

約数ペア:
[(1, 71240), (2, 35620), (4, 17810), (5, 14248), (8, 8905), (10, 7124), (13, 5480), (20, 3562), (26, 2740), (40, 1781), (52, 1370), (65, 1096), (104, 685), (130, 548), (137, 520), (260, 274)]

このpageの処理時間: 0.003713846206665039 seconds