2128889320

素因数分解:

$2^3\times 5^1\times {\mathrm{1607}}^1\times {\mathrm{33119}}^1$

素因数の和:34737

約数の個数: 32

約数和(自身を含む): 4793126400

約数和(自身を除く): 2664237080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1607, 3214, 6428, 8035, 12856, 16070, 32140, 33119, 64280, 66238, 132476, 165595, 264952, 331190, 662380, 1324760, 53222233, 106444466, 212888932, 266111165, 425777864, 532222330, 1064444660, 2128889320]

約数ペア:

[(1, 2128889320), (2, 1064444660), (4, 532222330), (5, 425777864), (8, 266111165), (10, 212888932), (20, 106444466), (40, 53222233), (1607, 1324760), (3214, 662380), (6428, 331190), (8035, 264952), (12856, 165595), (16070, 132476), (32140, 66238), (33119, 64280)]