12105680

素因数分解:

$2^4\times 5^1\times {\mathrm{389}}^2$

素因数の和:791

約数の個数: 30

約数和(自身を含む): 28218246

約数和(自身を除く): 16112566

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 389, 778, 1556, 1945, 3112, 3890, 6224, 7780, 15560, 31120, 151321, 302642, 605284, 756605, 1210568, 1513210, 2421136, 3026420, 6052840, 12105680]

約数ペア:

[(1, 12105680), (2, 6052840), (4, 3026420), (5, 2421136), (8, 1513210), (10, 1210568), (16, 756605), (20, 605284), (40, 302642), (80, 151321), (389, 31120), (778, 15560), (1556, 7780), (1945, 6224), (3112, 3890)]