205764640

素因数分解:

$2^5\times 5^1\times {\mathrm{443}}^1\times {\mathrm{2903}}^1$

素因数の和:3361

約数の個数: 48

約数和(自身を含む): 487384128

約数和(自身を除く): 281619488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 443, 886, 1772, 2215, 2903, 3544, 4430, 5806, 7088, 8860, 11612, 14176, 14515, 17720, 23224, 29030, 35440, 46448, 58060, 70880, 92896, 116120, 232240, 464480, 1286029, 2572058, 5144116, 6430145, 10288232, 12860290, 20576464, 25720580, 41152928, 51441160, 102882320, 205764640]

約数ペア:

[(1, 205764640), (2, 102882320), (4, 51441160), (5, 41152928), (8, 25720580), (10, 20576464), (16, 12860290), (20, 10288232), (32, 6430145), (40, 5144116), (80, 2572058), (160, 1286029), (443, 464480), (886, 232240), (1772, 116120), (2215, 92896), (2903, 70880), (3544, 58060), (4430, 46448), (5806, 35440), (7088, 29030), (8860, 23224), (11612, 17720), (14176, 14515)]