25589540

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{9767}}^1$

素因数の和:9907

約数の個数: 24

約数和(自身を含む): 54153792

約数和(自身を除く): 28564252

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 9767, 19534, 39068, 48835, 97670, 195340, 1279477, 2558954, 5117908, 6397385, 12794770, 25589540]

約数ペア:

[(1, 25589540), (2, 12794770), (4, 6397385), (5, 5117908), (10, 2558954), (20, 1279477), (131, 195340), (262, 97670), (524, 48835), (655, 39068), (1310, 19534), (2620, 9767)]