80123390

素因数分解:

$2^1\times 5^1\times {\mathrm{1949}}^1\times {\mathrm{4111}}^1$

素因数の和:6067

約数の個数: 16

約数和(自身を含む): 144331200

約数和(自身を除く): 64207810

約数列:

[1, 2, 5, 10, 1949, 3898, 4111, 8222, 9745, 19490, 20555, 41110, 8012339, 16024678, 40061695, 80123390]

約数ペア:

[(1, 80123390), (2, 40061695), (5, 16024678), (10, 8012339), (1949, 41110), (3898, 20555), (4111, 19490), (8222, 9745)]