28427180

素因数分解:

$2^2\times 5^1\times {\mathrm{743}}^1\times {\mathrm{1913}}^1$

素因数の和:2665

約数の個数: 24

約数和(自身を含む): 59808672

約数和(自身を除く): 31381492

約数列:

[1, 2, 4, 5, 10, 20, 743, 1486, 1913, 2972, 3715, 3826, 7430, 7652, 9565, 14860, 19130, 38260, 1421359, 2842718, 5685436, 7106795, 14213590, 28427180]

約数ペア:

[(1, 28427180), (2, 14213590), (4, 7106795), (5, 5685436), (10, 2842718), (20, 1421359), (743, 38260), (1486, 19130), (1913, 14860), (2972, 9565), (3715, 7652), (3826, 7430)]