81066140

素因数分解:

$2^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{11681}}^1$

素因数の和:12037

約数の個数: 24

約数和(自身を含む): 170744112

約数和(自身を除く): 89677972

約数列:

[1, 2, 4, 5, 10, 20, 347, 694, 1388, 1735, 3470, 6940, 11681, 23362, 46724, 58405, 116810, 233620, 4053307, 8106614, 16213228, 20266535, 40533070, 81066140]

約数ペア:

[(1, 81066140), (2, 40533070), (4, 20266535), (5, 16213228), (10, 8106614), (20, 4053307), (347, 233620), (694, 116810), (1388, 58405), (1735, 46724), (3470, 23362), (6940, 11681)]