2027920

素因数分解:

$2^4\times 5^1\times {\mathrm{25349}}^1$

素因数の和:25362

約数の個数: 20

約数和(自身を含む): 4715100

約数和(自身を除く): 2687180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25349, 50698, 101396, 126745, 202792, 253490, 405584, 506980, 1013960, 2027920]

約数ペア:

[(1, 2027920), (2, 1013960), (4, 506980), (5, 405584), (8, 253490), (10, 202792), (16, 126745), (20, 101396), (40, 50698), (80, 25349)]