25654220

素因数分解:

$2^2\times 5^1\times {\mathrm{541}}^1\times {\mathrm{2371}}^1$

素因数の和:2921

約数の個数: 24

約数和(自身を含む): 53996208

約数和(自身を除く): 28341988

約数列:

[1, 2, 4, 5, 10, 20, 541, 1082, 2164, 2371, 2705, 4742, 5410, 9484, 10820, 11855, 23710, 47420, 1282711, 2565422, 5130844, 6413555, 12827110, 25654220]

約数ペア:

[(1, 25654220), (2, 12827110), (4, 6413555), (5, 5130844), (10, 2565422), (20, 1282711), (541, 47420), (1082, 23710), (2164, 11855), (2371, 10820), (2705, 9484), (4742, 5410)]