11372980

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4091}}^1$

素因数の和:4239

約数の個数: 24

約数和(自身を含む): 24060960

約数和(自身を除く): 12687980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 4091, 8182, 16364, 20455, 40910, 81820, 568649, 1137298, 2274596, 2843245, 5686490, 11372980]

約数ペア:

[(1, 11372980), (2, 5686490), (4, 2843245), (5, 2274596), (10, 1137298), (20, 568649), (139, 81820), (278, 40910), (556, 20455), (695, 16364), (1390, 8182), (2780, 4091)]