81364075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{3169}}^1$

素因数の和:3271

約数の個数: 24

約数和(自身を含む): 110062400

約数和(自身を除く): 28698325

約数列:

[1, 5, 13, 25, 65, 79, 325, 395, 1027, 1975, 3169, 5135, 15845, 25675, 41197, 79225, 205985, 250351, 1029925, 1251755, 3254563, 6258775, 16272815, 81364075]

約数ペア:

[(1, 81364075), (5, 16272815), (13, 6258775), (25, 3254563), (65, 1251755), (79, 1029925), (325, 250351), (395, 205985), (1027, 79225), (1975, 41197), (3169, 25675), (5135, 15845)]