1358740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1657}}^1$

素因数の和:1707

約数の個数: 24

約数和(自身を含む): 2924712

約数和(自身を除く): 1565972

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1657, 3314, 6628, 8285, 16570, 33140, 67937, 135874, 271748, 339685, 679370, 1358740]

約数ペア:

[(1, 1358740), (2, 679370), (4, 339685), (5, 271748), (10, 135874), (20, 67937), (41, 33140), (82, 16570), (164, 8285), (205, 6628), (410, 3314), (820, 1657)]