254165720

素因数分解:

$2^3\times 5^1\times {\mathrm{233}}^1\times {\mathrm{27271}}^1$

素因数の和:27515

約数の個数: 32

約数和(自身を含む): 574348320

約数和(自身を除く): 320182600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 233, 466, 932, 1165, 1864, 2330, 4660, 9320, 27271, 54542, 109084, 136355, 218168, 272710, 545420, 1090840, 6354143, 12708286, 25416572, 31770715, 50833144, 63541430, 127082860, 254165720]

約数ペア:

[(1, 254165720), (2, 127082860), (4, 63541430), (5, 50833144), (8, 31770715), (10, 25416572), (20, 12708286), (40, 6354143), (233, 1090840), (466, 545420), (932, 272710), (1165, 218168), (1864, 136355), (2330, 109084), (4660, 54542), (9320, 27271)]