About the Number

115640

115639 ← → 115641

2進数表記:11100001110111000

漢数字表記:十一万五千六百四十

素因数分解:

2 3 × 5 1 × 7 2 × 59 1

素因数の和:84
約数の個数: 48
約数和(自身を含む): 307800
約数和(自身を除く): 192160

約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 59, 70, 98, 118, 140, 196, 236, 245, 280, 295, 392, 413, 472, 490, 590, 826, 980, 1180, 1652, 1960, 2065, 2360, 2891, 3304, 4130, 5782, 8260, 11564, 14455, 16520, 23128, 28910, 57820, 115640]

約数ペア:
[(1, 115640), (2, 57820), (4, 28910), (5, 23128), (7, 16520), (8, 14455), (10, 11564), (14, 8260), (20, 5782), (28, 4130), (35, 3304), (40, 2891), (49, 2360), (56, 2065), (59, 1960), (70, 1652), (98, 1180), (118, 980), (140, 826), (196, 590), (236, 490), (245, 472), (280, 413), (295, 392)]

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