4076440

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{457}}^1$

素因数の和:691

約数の個数: 32

約数和(自身を含む): 9233280

約数和(自身を除く): 5156840

約数列:

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

約数ペア:

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