4423220

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2029}}^1$

素因数の和:2147

約数の個数: 24

約数和(自身を含む): 9378600

約数和(自身を除く): 4955380

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2029, 2180, 4058, 8116, 10145, 20290, 40580, 221161, 442322, 884644, 1105805, 2211610, 4423220]

約数ペア:

[(1, 4423220), (2, 2211610), (4, 1105805), (5, 884644), (10, 442322), (20, 221161), (109, 40580), (218, 20290), (436, 10145), (545, 8116), (1090, 4058), (2029, 2180)]