890822540

素因数分解:

$2^2\times 5^1\times {\mathrm{2297}}^1\times {\mathrm{19391}}^1$

素因数の和:21697

約数の個数: 24

約数和(自身を含む): 1871638272

約数和(自身を除く): 980815732

約数列:

[1, 2, 4, 5, 10, 20, 2297, 4594, 9188, 11485, 19391, 22970, 38782, 45940, 77564, 96955, 193910, 387820, 44541127, 89082254, 178164508, 222705635, 445411270, 890822540]

約数ペア:

[(1, 890822540), (2, 445411270), (4, 222705635), (5, 178164508), (10, 89082254), (20, 44541127), (2297, 387820), (4594, 193910), (9188, 96955), (11485, 77564), (19391, 45940), (22970, 38782)]