87086780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{395849}}^1$

素因数の和:395869

約数の個数: 24

約数和(自身を含む): 199508400

約数和(自身を除く): 112421620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 395849, 791698, 1583396, 1979245, 3958490, 4354339, 7916980, 8708678, 17417356, 21771695, 43543390, 87086780]

約数ペア:

[(1, 87086780), (2, 43543390), (4, 21771695), (5, 17417356), (10, 8708678), (11, 7916980), (20, 4354339), (22, 3958490), (44, 1979245), (55, 1583396), (110, 791698), (220, 395849)]