2688891080

素因数分解:

$2^3\times 5^1\times {\mathrm{67222277}}^1$

素因数の和:67222288

約数の個数: 16

約数和(自身を含む): 6050005020

約数和(自身を除く): 3361113940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67222277, 134444554, 268889108, 336111385, 537778216, 672222770, 1344445540, 2688891080]

約数ペア:

[(1, 2688891080), (2, 1344445540), (4, 672222770), (5, 537778216), (8, 336111385), (10, 268889108), (20, 134444554), (40, 67222277)]