30908928

素因数分解:

$2^9\times 3^1\times {\mathrm{20123}}^1$

素因数の和:20144

約数の個数: 40

約数和(自身を含む): 82347408

約数和(自身を除く): 51438480

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 1536, 20123, 40246, 60369, 80492, 120738, 160984, 241476, 321968, 482952, 643936, 965904, 1287872, 1931808, 2575744, 3863616, 5151488, 7727232, 10302976, 15454464, 30908928]

約数ペア:

[(1, 30908928), (2, 15454464), (3, 10302976), (4, 7727232), (6, 5151488), (8, 3863616), (12, 2575744), (16, 1931808), (24, 1287872), (32, 965904), (48, 643936), (64, 482952), (96, 321968), (128, 241476), (192, 160984), (256, 120738), (384, 80492), (512, 60369), (768, 40246), (1536, 20123)]