About the Number

12816160

12816159 ← → 12816161

2進数表記:110000111000111100100000

漢数字表記:千二百八十一万六千百六十

素因数分解:

2 5 × 5 1 × 7 1 × 11443 1

素因数の和:11465
約数の個数: 48
約数和(自身を含む): 34606656
約数和(自身を除く): 21790496

約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 11443, 22886, 45772, 57215, 80101, 91544, 114430, 160202, 183088, 228860, 320404, 366176, 400505, 457720, 640808, 801010, 915440, 1281616, 1602020, 1830880, 2563232, 3204040, 6408080, 12816160]

約数ペア:
[(1, 12816160), (2, 6408080), (4, 3204040), (5, 2563232), (7, 1830880), (8, 1602020), (10, 1281616), (14, 915440), (16, 801010), (20, 640808), (28, 457720), (32, 400505), (35, 366176), (40, 320404), (56, 228860), (70, 183088), (80, 160202), (112, 114430), (140, 91544), (160, 80101), (224, 57215), (280, 45772), (560, 22886), (1120, 11443)]

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