899540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1097}}^1$

素因数の和:1147

約数の個数: 24

約数和(自身を含む): 1936872

約数和(自身を除く): 1037332

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1097, 2194, 4388, 5485, 10970, 21940, 44977, 89954, 179908, 224885, 449770, 899540]

約数ペア:

[(1, 899540), (2, 449770), (4, 224885), (5, 179908), (10, 89954), (20, 44977), (41, 21940), (82, 10970), (164, 5485), (205, 4388), (410, 2194), (820, 1097)]