25064140

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{1949}}^1$

素因数の和:2601

約数の個数: 24

約数和(自身を含む): 52743600

約数和(自身を除く): 27679460

約数列:

[1, 2, 4, 5, 10, 20, 643, 1286, 1949, 2572, 3215, 3898, 6430, 7796, 9745, 12860, 19490, 38980, 1253207, 2506414, 5012828, 6266035, 12532070, 25064140]

約数ペア:

[(1, 25064140), (2, 12532070), (4, 6266035), (5, 5012828), (10, 2506414), (20, 1253207), (643, 38980), (1286, 19490), (1949, 12860), (2572, 9745), (3215, 7796), (3898, 6430)]