25114820

素因数分解:

$2^2\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{1151}}^1$

素因数の和:2251

約数の個数: 24

約数和(自身を含む): 52835328

約数和(自身を除く): 27720508

約数列:

[1, 2, 4, 5, 10, 20, 1091, 1151, 2182, 2302, 4364, 4604, 5455, 5755, 10910, 11510, 21820, 23020, 1255741, 2511482, 5022964, 6278705, 12557410, 25114820]

約数ペア:

[(1, 25114820), (2, 12557410), (4, 6278705), (5, 5022964), (10, 2511482), (20, 1255741), (1091, 23020), (1151, 21820), (2182, 11510), (2302, 10910), (4364, 5755), (4604, 5455)]