50400020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{1187}}^1$

素因数の和:1400

約数の個数: 48

約数和(自身を含む): 116157888

約数和(自身を除く): 65757868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 193, 220, 386, 772, 965, 1187, 1930, 2123, 2374, 3860, 4246, 4748, 5935, 8492, 10615, 11870, 13057, 21230, 23740, 26114, 42460, 52228, 65285, 130570, 229091, 261140, 458182, 916364, 1145455, 2290910, 2520001, 4581820, 5040002, 10080004, 12600005, 25200010, 50400020]

約数ペア:

[(1, 50400020), (2, 25200010), (4, 12600005), (5, 10080004), (10, 5040002), (11, 4581820), (20, 2520001), (22, 2290910), (44, 1145455), (55, 916364), (110, 458182), (193, 261140), (220, 229091), (386, 130570), (772, 65285), (965, 52228), (1187, 42460), (1930, 26114), (2123, 23740), (2374, 21230), (3860, 13057), (4246, 11870), (4748, 10615), (5935, 8492)]