25662440

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{2267}}^1$

素因数の和:2561

約数の個数: 32

約数和(自身を含む): 57970080

約数和(自身を除く): 32307640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 2264, 2267, 2830, 4534, 5660, 9068, 11320, 11335, 18136, 22670, 45340, 90680, 641561, 1283122, 2566244, 3207805, 5132488, 6415610, 12831220, 25662440]

約数ペア:

[(1, 25662440), (2, 12831220), (4, 6415610), (5, 5132488), (8, 3207805), (10, 2566244), (20, 1283122), (40, 641561), (283, 90680), (566, 45340), (1132, 22670), (1415, 18136), (2264, 11335), (2267, 11320), (2830, 9068), (4534, 5660)]