205183780

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{94121}}^1$

素因数の和:94239

約数の個数: 24

約数和(自身を含む): 434843640

約数和(自身を除く): 229659860

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 94121, 188242, 376484, 470605, 941210, 1882420, 10259189, 20518378, 41036756, 51295945, 102591890, 205183780]

約数ペア:

[(1, 205183780), (2, 102591890), (4, 51295945), (5, 41036756), (10, 20518378), (20, 10259189), (109, 1882420), (218, 941210), (436, 470605), (545, 376484), (1090, 188242), (2180, 94121)]