8152880

素因数分解:

$2^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{457}}^1$

素因数の和:693

約数の個数: 40

約数和(自身を含む): 19082112

約数和(自身を除く): 10929232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 223, 446, 457, 892, 914, 1115, 1784, 1828, 2230, 2285, 3568, 3656, 4460, 4570, 7312, 8920, 9140, 17840, 18280, 36560, 101911, 203822, 407644, 509555, 815288, 1019110, 1630576, 2038220, 4076440, 8152880]

約数ペア:

[(1, 8152880), (2, 4076440), (4, 2038220), (5, 1630576), (8, 1019110), (10, 815288), (16, 509555), (20, 407644), (40, 203822), (80, 101911), (223, 36560), (446, 18280), (457, 17840), (892, 9140), (914, 8920), (1115, 7312), (1784, 4570), (1828, 4460), (2230, 3656), (2285, 3568)]