808616420

素因数分解:

$2^2\times 5^1\times {\mathrm{1747}}^1\times {\mathrm{23143}}^1$

素因数の和:24899

約数の個数: 24

約数和(自身を含む): 1699139904

約数和(自身を除く): 890523484

約数列:

[1, 2, 4, 5, 10, 20, 1747, 3494, 6988, 8735, 17470, 23143, 34940, 46286, 92572, 115715, 231430, 462860, 40430821, 80861642, 161723284, 202154105, 404308210, 808616420]

約数ペア:

[(1, 808616420), (2, 404308210), (4, 202154105), (5, 161723284), (10, 80861642), (20, 40430821), (1747, 462860), (3494, 231430), (6988, 115715), (8735, 92572), (17470, 46286), (23143, 34940)]