80209388

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{311}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 164656128

約数和(自身を除く): 84446740

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 151, 244, 302, 311, 427, 604, 622, 854, 1057, 1244, 1708, 2114, 2177, 4228, 4354, 8708, 9211, 18422, 18971, 36844, 37942, 46961, 64477, 75884, 93922, 128954, 132797, 187844, 257908, 265594, 328727, 531188, 657454, 1314908, 2864621, 5729242, 11458484, 20052347, 40104694, 80209388]

約数ペア:

[(1, 80209388), (2, 40104694), (4, 20052347), (7, 11458484), (14, 5729242), (28, 2864621), (61, 1314908), (122, 657454), (151, 531188), (244, 328727), (302, 265594), (311, 257908), (427, 187844), (604, 132797), (622, 128954), (854, 93922), (1057, 75884), (1244, 64477), (1708, 46961), (2114, 37942), (2177, 36844), (4228, 18971), (4354, 18422), (8708, 9211)]