85384420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{388111}}^1$

素因数の和:388131

約数の個数: 24

約数和(自身を含む): 195608448

約数和(自身を除く): 110224028

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 388111, 776222, 1552444, 1940555, 3881110, 4269221, 7762220, 8538442, 17076884, 21346105, 42692210, 85384420]

約数ペア:

[(1, 85384420), (2, 42692210), (4, 21346105), (5, 17076884), (10, 8538442), (11, 7762220), (20, 4269221), (22, 3881110), (44, 1940555), (55, 1552444), (110, 776222), (220, 388111)]