25041080

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1487}}^1$

素因数の和:1919

約数の個数: 32

約数和(自身を含む): 56514240

約数和(自身を除く): 31473160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 1487, 1684, 2105, 2974, 3368, 4210, 5948, 7435, 8420, 11896, 14870, 16840, 29740, 59480, 626027, 1252054, 2504108, 3130135, 5008216, 6260270, 12520540, 25041080]

約数ペア:

[(1, 25041080), (2, 12520540), (4, 6260270), (5, 5008216), (8, 3130135), (10, 2504108), (20, 1252054), (40, 626027), (421, 59480), (842, 29740), (1487, 16840), (1684, 14870), (2105, 11896), (2974, 8420), (3368, 7435), (4210, 5948)]