2079220280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1208849}}^1$

素因数の和:1208903

約数の個数: 32

約数和(自身を含む): 4787046000

約数和(自身を除く): 2707825720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 1208849, 2417698, 4835396, 6044245, 9670792, 12088490, 24176980, 48353960, 51980507, 103961014, 207922028, 259902535, 415844056, 519805070, 1039610140, 2079220280]

約数ペア:

[(1, 2079220280), (2, 1039610140), (4, 519805070), (5, 415844056), (8, 259902535), (10, 207922028), (20, 103961014), (40, 51980507), (43, 48353960), (86, 24176980), (172, 12088490), (215, 9670792), (344, 6044245), (430, 4835396), (860, 2417698), (1720, 1208849)]