40296656

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{18119}}^1$

素因数の和:18266

約数の個数: 20

約数和(自身を含む): 78640800

約数和(自身を除く): 38344144

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 18119, 36238, 72476, 144952, 289904, 2518541, 5037082, 10074164, 20148328, 40296656]

約数ペア:

[(1, 40296656), (2, 20148328), (4, 10074164), (8, 5037082), (16, 2518541), (139, 289904), (278, 144952), (556, 72476), (1112, 36238), (2224, 18119)]