219920808880

素因数分解:

$2^4\times 5^1\times {\mathrm{941}}^1\times {\mathrm{2921371}}^1$

素因数の和:2922325

約数の個数: 40

約数和(自身を含む): 511859430864

約数和(自身を除く): 291938621984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 941, 1882, 3764, 4705, 7528, 9410, 15056, 18820, 37640, 75280, 2921371, 5842742, 11685484, 14606855, 23370968, 29213710, 46741936, 58427420, 116854840, 233709680, 2749010111, 5498020222, 10996040444, 13745050555, 21992080888, 27490101110, 43984161776, 54980202220, 109960404440, 219920808880]

約数ペア:

[(1, 219920808880), (2, 109960404440), (4, 54980202220), (5, 43984161776), (8, 27490101110), (10, 21992080888), (16, 13745050555), (20, 10996040444), (40, 5498020222), (80, 2749010111), (941, 233709680), (1882, 116854840), (3764, 58427420), (4705, 46741936), (7528, 29213710), (9410, 23370968), (15056, 14606855), (18820, 11685484), (37640, 5842742), (75280, 2921371)]