16047920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{28657}}^1$

素因数の和:28677

約数の個数: 40

約数和(自身を含む): 42643104

約数和(自身を除く): 26595184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 28657, 57314, 114628, 143285, 200599, 229256, 286570, 401198, 458512, 573140, 802396, 1002995, 1146280, 1604792, 2005990, 2292560, 3209584, 4011980, 8023960, 16047920]

約数ペア:

[(1, 16047920), (2, 8023960), (4, 4011980), (5, 3209584), (7, 2292560), (8, 2005990), (10, 1604792), (14, 1146280), (16, 1002995), (20, 802396), (28, 573140), (35, 458512), (40, 401198), (56, 286570), (70, 229256), (80, 200599), (112, 143285), (140, 114628), (280, 57314), (560, 28657)]