28020190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{254729}}^1$

素因数の和:254747

約数の個数: 16

約数和(自身を含む): 55021680

約数和(自身を除く): 27001490

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 254729, 509458, 1273645, 2547290, 2802019, 5604038, 14010095, 28020190]

約数ペア:

[(1, 28020190), (2, 14010095), (5, 5604038), (10, 2802019), (11, 2547290), (22, 1273645), (55, 509458), (110, 254729)]