249059920

素因数分解:

$2^4\times 5^1\times {\mathrm{3113249}}^1$

素因数の和:3113262

約数の個数: 20

約数和(自身を含む): 579064500

約数和(自身を除く): 330004580

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3113249, 6226498, 12452996, 15566245, 24905992, 31132490, 49811984, 62264980, 124529960, 249059920]

約数ペア:

[(1, 249059920), (2, 124529960), (4, 62264980), (5, 49811984), (8, 31132490), (10, 24905992), (16, 15566245), (20, 12452996), (40, 6226498), (80, 3113249)]