2782540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{263}}^1$

素因数の和:318

約数の個数: 36

約数和(自身を含む): 6131664

約数和(自身を除く): 3349124

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 263, 460, 526, 529, 1052, 1058, 1315, 2116, 2630, 2645, 5260, 5290, 6049, 10580, 12098, 24196, 30245, 60490, 120980, 139127, 278254, 556508, 695635, 1391270, 2782540]

約数ペア:

[(1, 2782540), (2, 1391270), (4, 695635), (5, 556508), (10, 278254), (20, 139127), (23, 120980), (46, 60490), (92, 30245), (115, 24196), (230, 12098), (263, 10580), (460, 6049), (526, 5290), (529, 5260), (1052, 2645), (1058, 2630), (1315, 2116)]