25689290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{571}}^1$

素因数の和:998

約数の個数: 32

約数和(自身を含む): 50656320

約数和(自身を除く): 24967030

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 409, 571, 818, 1142, 2045, 2855, 4090, 4499, 5710, 6281, 8998, 12562, 22495, 31405, 44990, 62810, 233539, 467078, 1167695, 2335390, 2568929, 5137858, 12844645, 25689290]

約数ペア:

[(1, 25689290), (2, 12844645), (5, 5137858), (10, 2568929), (11, 2335390), (22, 1167695), (55, 467078), (110, 233539), (409, 62810), (571, 44990), (818, 31405), (1142, 22495), (2045, 12562), (2855, 8998), (4090, 6281), (4499, 5710)]