28501300

素因数分解:

$2^2\times 5^2\times {\mathrm{257}}^1\times {\mathrm{1109}}^1$

素因数の和:1380

約数の個数: 36

約数和(自身を含む): 62144460

約数和(自身を除く): 33643160

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 257, 514, 1028, 1109, 1285, 2218, 2570, 4436, 5140, 5545, 6425, 11090, 12850, 22180, 25700, 27725, 55450, 110900, 285013, 570026, 1140052, 1425065, 2850130, 5700260, 7125325, 14250650, 28501300]

約数ペア:

[(1, 28501300), (2, 14250650), (4, 7125325), (5, 5700260), (10, 2850130), (20, 1425065), (25, 1140052), (50, 570026), (100, 285013), (257, 110900), (514, 55450), (1028, 27725), (1109, 25700), (1285, 22180), (2218, 12850), (2570, 11090), (4436, 6425), (5140, 5545)]