40839590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{2671}}^1$

素因数の和:2828

約数の個数: 32

約数和(自身を含む): 80801280

約数和(自身を除く): 39961690

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 139, 278, 695, 1390, 1529, 2671, 3058, 5342, 7645, 13355, 15290, 26710, 29381, 58762, 146905, 293810, 371269, 742538, 1856345, 3712690, 4083959, 8167918, 20419795, 40839590]

約数ペア:

[(1, 40839590), (2, 20419795), (5, 8167918), (10, 4083959), (11, 3712690), (22, 1856345), (55, 742538), (110, 371269), (139, 293810), (278, 146905), (695, 58762), (1390, 29381), (1529, 26710), (2671, 15290), (3058, 13355), (5342, 7645)]