260199650

素因数分解:

$2^1\times 5^2\times {\mathrm{257}}^1\times {\mathrm{20249}}^1$

素因数の和:20518

約数の個数: 24

約数和(自身を含む): 485878500

約数和(自身を除く): 225678850

約数列:

[1, 2, 5, 10, 25, 50, 257, 514, 1285, 2570, 6425, 12850, 20249, 40498, 101245, 202490, 506225, 1012450, 5203993, 10407986, 26019965, 52039930, 130099825, 260199650]

約数ペア:

[(1, 260199650), (2, 130099825), (5, 52039930), (10, 26019965), (25, 10407986), (50, 5203993), (257, 1012450), (514, 506225), (1285, 202490), (2570, 101245), (6425, 40498), (12850, 20249)]