25440340

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{2833}}^1$

素因数の和:3291

約数の個数: 24

約数和(自身を含む): 53562600

約数和(自身を除く): 28122260

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 1796, 2245, 2833, 4490, 5666, 8980, 11332, 14165, 28330, 56660, 1272017, 2544034, 5088068, 6360085, 12720170, 25440340]

約数ペア:

[(1, 25440340), (2, 12720170), (4, 6360085), (5, 5088068), (10, 2544034), (20, 1272017), (449, 56660), (898, 28330), (1796, 14165), (2245, 11332), (2833, 8980), (4490, 5666)]