2111540

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1487}}^1$

素因数の和:1567

約数の個数: 24

約数和(自身を含む): 4499712

約数和(自身を除く): 2388172

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 1487, 2974, 5948, 7435, 14870, 29740, 105577, 211154, 422308, 527885, 1055770, 2111540]

約数ペア:

[(1, 2111540), (2, 1055770), (4, 527885), (5, 422308), (10, 211154), (20, 105577), (71, 29740), (142, 14870), (284, 7435), (355, 5948), (710, 2974), (1420, 1487)]