221027778820

素因数分解:

$2^2\times 5^1\times {\mathrm{26783}}^1\times {\mathrm{412627}}^1$

素因数の和:439419

約数の個数: 24

約数和(自身を含む): 464176790784

約数和(自身を除く): 243149011964

約数列:

[1, 2, 4, 5, 10, 20, 26783, 53566, 107132, 133915, 267830, 412627, 535660, 825254, 1650508, 2063135, 4126270, 8252540, 11051388941, 22102777882, 44205555764, 55256944705, 110513889410, 221027778820]

約数ペア:

[(1, 221027778820), (2, 110513889410), (4, 55256944705), (5, 44205555764), (10, 22102777882), (20, 11051388941), (26783, 8252540), (53566, 4126270), (107132, 2063135), (133915, 1650508), (267830, 825254), (412627, 535660)]