2021360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2297}}^1$

素因数の和:2321

約数の個数: 40

約数和(自身を含む): 5129136

約数和(自身を除く): 3107776

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2297, 4594, 9188, 11485, 18376, 22970, 25267, 36752, 45940, 50534, 91880, 101068, 126335, 183760, 202136, 252670, 404272, 505340, 1010680, 2021360]

約数ペア:

[(1, 2021360), (2, 1010680), (4, 505340), (5, 404272), (8, 252670), (10, 202136), (11, 183760), (16, 126335), (20, 101068), (22, 91880), (40, 50534), (44, 45940), (55, 36752), (80, 25267), (88, 22970), (110, 18376), (176, 11485), (220, 9188), (440, 4594), (880, 2297)]