871880

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 1995840

約数和(自身を除く): 1123960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 307, 355, 568, 614, 710, 1228, 1420, 1535, 2456, 2840, 3070, 6140, 12280, 21797, 43594, 87188, 108985, 174376, 217970, 435940, 871880]

約数ペア:

[(1, 871880), (2, 435940), (4, 217970), (5, 174376), (8, 108985), (10, 87188), (20, 43594), (40, 21797), (71, 12280), (142, 6140), (284, 3070), (307, 2840), (355, 2456), (568, 1535), (614, 1420), (710, 1228)]