1809740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2207}}^1$

素因数の和:2257

約数の個数: 24

約数和(自身を含む): 3894912

約数和(自身を除く): 2085172

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 2207, 4414, 8828, 11035, 22070, 44140, 90487, 180974, 361948, 452435, 904870, 1809740]

約数ペア:

[(1, 1809740), (2, 904870), (4, 452435), (5, 361948), (10, 180974), (20, 90487), (41, 44140), (82, 22070), (164, 11035), (205, 8828), (410, 4414), (820, 2207)]