12611380

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1621}}^1$

素因数の和:2019

約数の個数: 24

約数和(自身を含む): 26568360

約数和(自身を除く): 13956980

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1621, 1945, 3242, 3890, 6484, 7780, 8105, 16210, 32420, 630569, 1261138, 2522276, 3152845, 6305690, 12611380]

約数ペア:

[(1, 12611380), (2, 6305690), (4, 3152845), (5, 2522276), (10, 1261138), (20, 630569), (389, 32420), (778, 16210), (1556, 8105), (1621, 7780), (1945, 6484), (3242, 3890)]