2071780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1459}}^1$

素因数の和:1539

約数の個数: 24

約数和(自身を含む): 4415040

約数和(自身を除く): 2343260

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 1459, 2918, 5836, 7295, 14590, 29180, 103589, 207178, 414356, 517945, 1035890, 2071780]

約数ペア:

[(1, 2071780), (2, 1035890), (4, 517945), (5, 414356), (10, 207178), (20, 103589), (71, 29180), (142, 14590), (284, 7295), (355, 5836), (710, 2918), (1420, 1459)]