25458040

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{5839}}^1$

素因数の和:5959

約数の個数: 32

約数和(自身を含む): 57816000

約数和(自身を除く): 32357960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 5839, 11678, 23356, 29195, 46712, 58390, 116780, 233560, 636451, 1272902, 2545804, 3182255, 5091608, 6364510, 12729020, 25458040]

約数ペア:

[(1, 25458040), (2, 12729020), (4, 6364510), (5, 5091608), (8, 3182255), (10, 2545804), (20, 1272902), (40, 636451), (109, 233560), (218, 116780), (436, 58390), (545, 46712), (872, 29195), (1090, 23356), (2180, 11678), (4360, 5839)]