90208945

素因数分解:

$5^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{1607}}^1$

素因数の和:1824

約数の個数: 16

約数和(自身を含む): 110373120

約数和(自身を除く): 20164175

約数列:

[1, 5, 103, 109, 515, 545, 1607, 8035, 11227, 56135, 165521, 175163, 827605, 875815, 18041789, 90208945]

約数ペア:

[(1, 90208945), (5, 18041789), (103, 875815), (109, 827605), (515, 175163), (545, 165521), (1607, 56135), (8035, 11227)]