26920820

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{233}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 58378320

約数和(自身を除く): 31457500

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 109, 212, 218, 233, 265, 436, 466, 530, 545, 932, 1060, 1090, 1165, 2180, 2330, 4660, 5777, 11554, 12349, 23108, 24698, 25397, 28885, 49396, 50794, 57770, 61745, 101588, 115540, 123490, 126985, 246980, 253970, 507940, 1346041, 2692082, 5384164, 6730205, 13460410, 26920820]

約数ペア:

[(1, 26920820), (2, 13460410), (4, 6730205), (5, 5384164), (10, 2692082), (20, 1346041), (53, 507940), (106, 253970), (109, 246980), (212, 126985), (218, 123490), (233, 115540), (265, 101588), (436, 61745), (466, 57770), (530, 50794), (545, 49396), (932, 28885), (1060, 25397), (1090, 24698), (1165, 23108), (2180, 12349), (2330, 11554), (4660, 5777)]