22778780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{27779}}^1$

素因数の和:27829

約数の個数: 24

約数和(自身を含む): 49003920

約数和(自身を除く): 26225140

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 27779, 55558, 111116, 138895, 277790, 555580, 1138939, 2277878, 4555756, 5694695, 11389390, 22778780]

約数ペア:

[(1, 22778780), (2, 11389390), (4, 5694695), (5, 4555756), (10, 2277878), (20, 1138939), (41, 555580), (82, 277790), (164, 138895), (205, 111116), (410, 55558), (820, 27779)]