22444220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{271}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 48940416

約数和(自身を除く): 26496196

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 101, 164, 202, 205, 271, 404, 410, 505, 542, 820, 1010, 1084, 1355, 2020, 2710, 4141, 5420, 8282, 11111, 16564, 20705, 22222, 27371, 41410, 44444, 54742, 55555, 82820, 109484, 111110, 136855, 222220, 273710, 547420, 1122211, 2244422, 4488844, 5611055, 11222110, 22444220]

約数ペア:

[(1, 22444220), (2, 11222110), (4, 5611055), (5, 4488844), (10, 2244422), (20, 1122211), (41, 547420), (82, 273710), (101, 222220), (164, 136855), (202, 111110), (205, 109484), (271, 82820), (404, 55555), (410, 54742), (505, 44444), (542, 41410), (820, 27371), (1010, 22222), (1084, 20705), (1355, 16564), (2020, 11111), (2710, 8282), (4141, 5420)]