12442760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28279}}^1$

素因数の和:28301

約数の個数: 32

約数和(自身を含む): 30542400

約数和(自身を除く): 18099640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 28279, 56558, 113116, 141395, 226232, 282790, 311069, 565580, 622138, 1131160, 1244276, 1555345, 2488552, 3110690, 6221380, 12442760]

約数ペア:

[(1, 12442760), (2, 6221380), (4, 3110690), (5, 2488552), (8, 1555345), (10, 1244276), (11, 1131160), (20, 622138), (22, 565580), (40, 311069), (44, 282790), (55, 226232), (88, 141395), (110, 113116), (220, 56558), (440, 28279)]