26780360

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{2417}}^1$

素因数の和:2705

約数の個数: 32

約数和(自身を含む): 60498360

約数和(自身を除く): 33718000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1385, 2216, 2417, 2770, 4834, 5540, 9668, 11080, 12085, 19336, 24170, 48340, 96680, 669509, 1339018, 2678036, 3347545, 5356072, 6695090, 13390180, 26780360]

約数ペア:

[(1, 26780360), (2, 13390180), (4, 6695090), (5, 5356072), (8, 3347545), (10, 2678036), (20, 1339018), (40, 669509), (277, 96680), (554, 48340), (1108, 24170), (1385, 19336), (2216, 12085), (2417, 11080), (2770, 9668), (4834, 5540)]