80208764

素因数分解:

$2^2\times {\mathrm{167}}^2\times {\mathrm{719}}^1$

素因数の和:1057

約数の個数: 18

約数和(自身を含む): 141407280

約数和(自身を除く): 61198516

約数列:

[1, 2, 4, 167, 334, 668, 719, 1438, 2876, 27889, 55778, 111556, 120073, 240146, 480292, 20052191, 40104382, 80208764]

約数ペア:

[(1, 80208764), (2, 40104382), (4, 20052191), (167, 480292), (334, 240146), (668, 120073), (719, 111556), (1438, 55778), (2876, 27889)]