2018780

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{523}}^1$

素因数の和:725

約数の個数: 24

約数和(自身を含む): 4269552

約数和(自身を除く): 2250772

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 523, 772, 965, 1046, 1930, 2092, 2615, 3860, 5230, 10460, 100939, 201878, 403756, 504695, 1009390, 2018780]

約数ペア:

[(1, 2018780), (2, 1009390), (4, 504695), (5, 403756), (10, 201878), (20, 100939), (193, 10460), (386, 5230), (523, 3860), (772, 2615), (965, 2092), (1046, 1930)]