2480528020

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{482593}}^1$

素因数の和:482859

約数の個数: 24

約数和(自身を含む): 5229388584

約数和(自身を除く): 2748860564

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 482593, 965186, 1930372, 2412965, 4825930, 9651860, 124026401, 248052802, 496105604, 620132005, 1240264010, 2480528020]

約数ペア:

[(1, 2480528020), (2, 1240264010), (4, 620132005), (5, 496105604), (10, 248052802), (20, 124026401), (257, 9651860), (514, 4825930), (1028, 2412965), (1285, 1930372), (2570, 965186), (5140, 482593)]