4477420

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1061}}^1$

素因数の和:1281

約数の個数: 24

約数和(自身を含む): 9456048

約数和(自身を除く): 4978628

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 1061, 2110, 2122, 4220, 4244, 5305, 10610, 21220, 223871, 447742, 895484, 1119355, 2238710, 4477420]

約数ペア:

[(1, 4477420), (2, 2238710), (4, 1119355), (5, 895484), (10, 447742), (20, 223871), (211, 21220), (422, 10610), (844, 5305), (1055, 4244), (1061, 4220), (2110, 2122)]