8172880

素因数分解:

$2^4\times 5^1\times {\mathrm{102161}}^1$

素因数の和:102174

約数の個数: 20

約数和(自身を含む): 19002132

約数和(自身を除く): 10829252

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 102161, 204322, 408644, 510805, 817288, 1021610, 1634576, 2043220, 4086440, 8172880]

約数ペア:

[(1, 8172880), (2, 4086440), (4, 2043220), (5, 1634576), (8, 1021610), (10, 817288), (16, 510805), (20, 408644), (40, 204322), (80, 102161)]