About the Number

39985130

39985129 ← → 39985131

2進数表記:10011000100001111111101010

漢数字表記:三千九百九十八万五千百三十

素因数分解:

2 1 × 5 1 × 131 2 × 233 1

素因数の和:502
約数の個数: 24
約数和(自身を含む): 72838116
約数和(自身を除く): 32852986

約数列:
[1, 2, 5, 10, 131, 233, 262, 466, 655, 1165, 1310, 2330, 17161, 30523, 34322, 61046, 85805, 152615, 171610, 305230, 3998513, 7997026, 19992565, 39985130]

約数ペア:
[(1, 39985130), (2, 19992565), (5, 7997026), (10, 3998513), (131, 305230), (233, 171610), (262, 152615), (466, 85805), (655, 61046), (1165, 34322), (1310, 30523), (2330, 17161)]

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