425982020

素因数分解:

$2^2\times 5^1\times {\mathrm{21299101}}^1$

素因数の和:21299110

約数の個数: 12

約数和(自身を含む): 894562284

約数和(自身を除く): 468580264

約数列:

[1, 2, 4, 5, 10, 20, 21299101, 42598202, 85196404, 106495505, 212991010, 425982020]

約数ペア:

[(1, 425982020), (2, 212991010), (4, 106495505), (5, 85196404), (10, 42598202), (20, 21299101)]