28348540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{128857}}^1$

素因数の和:128877

約数の個数: 24

約数和(自身を含む): 64944432

約数和(自身を除く): 36595892

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 128857, 257714, 515428, 644285, 1288570, 1417427, 2577140, 2834854, 5669708, 7087135, 14174270, 28348540]

約数ペア:

[(1, 28348540), (2, 14174270), (4, 7087135), (5, 5669708), (10, 2834854), (11, 2577140), (20, 1417427), (22, 1288570), (44, 644285), (55, 515428), (110, 257714), (220, 128857)]