84086980

素因数分解:

$2^2\times 5^1\times {\mathrm{997}}^1\times {\mathrm{4217}}^1$

素因数の和:5223

約数の個数: 24

約数和(自身を含む): 176801688

約数和(自身を除く): 92714708

約数列:

[1, 2, 4, 5, 10, 20, 997, 1994, 3988, 4217, 4985, 8434, 9970, 16868, 19940, 21085, 42170, 84340, 4204349, 8408698, 16817396, 21021745, 42043490, 84086980]

約数ペア:

[(1, 84086980), (2, 42043490), (4, 21021745), (5, 16817396), (10, 8408698), (20, 4204349), (997, 84340), (1994, 42170), (3988, 21085), (4217, 19940), (4985, 16868), (8434, 9970)]