28842220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131101}}^1$

素因数の和:131121

約数の個数: 24

約数和(自身を含む): 66075408

約数和(自身を除く): 37233188

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 131101, 262202, 524404, 655505, 1311010, 1442111, 2622020, 2884222, 5768444, 7210555, 14421110, 28842220]

約数ペア:

[(1, 28842220), (2, 14421110), (4, 7210555), (5, 5768444), (10, 2884222), (11, 2622020), (20, 1442111), (22, 1311010), (44, 655505), (55, 524404), (110, 262202), (220, 131101)]