27961460

素因数分解:

$2^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{2141}}^1$

素因数の和:2803

約数の個数: 24

約数和(自身を含む): 58836456

約数和(自身を除く): 30874996

約数列:

[1, 2, 4, 5, 10, 20, 653, 1306, 2141, 2612, 3265, 4282, 6530, 8564, 10705, 13060, 21410, 42820, 1398073, 2796146, 5592292, 6990365, 13980730, 27961460]

約数ペア:

[(1, 27961460), (2, 13980730), (4, 6990365), (5, 5592292), (10, 2796146), (20, 1398073), (653, 42820), (1306, 21410), (2141, 13060), (2612, 10705), (3265, 8564), (4282, 6530)]