520057480

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{2207}}^1$

素因数の和:2398

約数の個数: 64

約数和(自身を含む): 1206627840

約数和(自身を除く): 686570360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 137, 172, 215, 274, 344, 430, 548, 685, 860, 1096, 1370, 1720, 2207, 2740, 4414, 5480, 5891, 8828, 11035, 11782, 17656, 22070, 23564, 29455, 44140, 47128, 58910, 88280, 94901, 117820, 189802, 235640, 302359, 379604, 474505, 604718, 759208, 949010, 1209436, 1511795, 1898020, 2418872, 3023590, 3796040, 6047180, 12094360, 13001437, 26002874, 52005748, 65007185, 104011496, 130014370, 260028740, 520057480]

約数ペア:

[(1, 520057480), (2, 260028740), (4, 130014370), (5, 104011496), (8, 65007185), (10, 52005748), (20, 26002874), (40, 13001437), (43, 12094360), (86, 6047180), (137, 3796040), (172, 3023590), (215, 2418872), (274, 1898020), (344, 1511795), (430, 1209436), (548, 949010), (685, 759208), (860, 604718), (1096, 474505), (1370, 379604), (1720, 302359), (2207, 235640), (2740, 189802), (4414, 117820), (5480, 94901), (5891, 88280), (8828, 58910), (11035, 47128), (11782, 44140), (17656, 29455), (22070, 23564)]