About the Number

42081290

42081289 ← → 42081291

2進数表記:10100000100001110000001010

漢数字表記:四千二百八万千二百九十

素因数分解:

2 1 × 5 1 × 17 2 × 14561 1

素因数の和:14602
約数の個数: 24
約数和(自身を含む): 80469612
約数和(自身を除く): 38388322

約数列:
[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 2890, 14561, 29122, 72805, 145610, 247537, 495074, 1237685, 2475370, 4208129, 8416258, 21040645, 42081290]

約数ペア:
[(1, 42081290), (2, 21040645), (5, 8416258), (10, 4208129), (17, 2475370), (34, 1237685), (85, 495074), (170, 247537), (289, 145610), (578, 72805), (1445, 29122), (2890, 14561)]

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