About the Number

12668640

12668639 ← → 12668641

2進数表記:110000010100111011100000

漢数字表記:千二百六十六万八千六百四十

素因数分解:

2 5 × 3 1 × 5 1 × 26393 1

素因数の和:26411
約数の個数: 48
約数和(自身を含む): 39907728
約数和(自身を除く): 27239088

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 26393, 52786, 79179, 105572, 131965, 158358, 211144, 263930, 316716, 395895, 422288, 527860, 633432, 791790, 844576, 1055720, 1266864, 1583580, 2111440, 2533728, 3167160, 4222880, 6334320, 12668640]

約数ペア:
[(1, 12668640), (2, 6334320), (3, 4222880), (4, 3167160), (5, 2533728), (6, 2111440), (8, 1583580), (10, 1266864), (12, 1055720), (15, 844576), (16, 791790), (20, 633432), (24, 527860), (30, 422288), (32, 395895), (40, 316716), (48, 263930), (60, 211144), (80, 158358), (96, 131965), (120, 105572), (160, 79179), (240, 52786), (480, 26393)]

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