81576785

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1\times {\mathrm{1879}}^1$

素因数の和:2360

約数の個数: 16

約数和(自身を含む): 103324800

約数和(自身を除く): 21748015

約数列:

[1, 5, 19, 95, 457, 1879, 2285, 8683, 9395, 35701, 43415, 178505, 858703, 4293515, 16315357, 81576785]

約数ペア:

[(1, 81576785), (5, 16315357), (19, 4293515), (95, 858703), (457, 178505), (1879, 43415), (2285, 35701), (8683, 9395)]