25202020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{54787}}^1$

素因数の和:54819

約数の個数: 24

約数和(自身を含む): 55226304

約数和(自身を除く): 30024284

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 54787, 109574, 219148, 273935, 547870, 1095740, 1260101, 2520202, 5040404, 6300505, 12601010, 25202020]

約数ペア:

[(1, 25202020), (2, 12601010), (4, 6300505), (5, 5040404), (10, 2520202), (20, 1260101), (23, 1095740), (46, 547870), (92, 273935), (115, 219148), (230, 109574), (460, 54787)]