25539290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{52121}}^1$

素因数の和:52142

約数の個数: 24

約数和(自身を含む): 53477172

約数和(自身を除く): 27937882

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 52121, 104242, 260605, 364847, 521210, 729694, 1824235, 2553929, 3648470, 5107858, 12769645, 25539290]

約数ペア:

[(1, 25539290), (2, 12769645), (5, 5107858), (7, 3648470), (10, 2553929), (14, 1824235), (35, 729694), (49, 521210), (70, 364847), (98, 260605), (245, 104242), (490, 52121)]