255065660

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{78241}}^1$

素因数の和:78413

約数の個数: 24

約数和(自身を含む): 538930896

約数和(自身を除く): 283865236

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 78241, 156482, 312964, 391205, 782410, 1564820, 12753283, 25506566, 51013132, 63766415, 127532830, 255065660]

約数ペア:

[(1, 255065660), (2, 127532830), (4, 63766415), (5, 51013132), (10, 25506566), (20, 12753283), (163, 1564820), (326, 782410), (652, 391205), (815, 312964), (1630, 156482), (3260, 78241)]