39745980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{220811}}^1$

素因数の和:220826

約数の個数: 36

約数和(自身を含む): 120563352

約数和(自身を除く): 80817372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 220811, 441622, 662433, 883244, 1104055, 1324866, 1987299, 2208110, 2649732, 3312165, 3974598, 4416220, 6624330, 7949196, 9936495, 13248660, 19872990, 39745980]

約数ペア:

[(1, 39745980), (2, 19872990), (3, 13248660), (4, 9936495), (5, 7949196), (6, 6624330), (9, 4416220), (10, 3974598), (12, 3312165), (15, 2649732), (18, 2208110), (20, 1987299), (30, 1324866), (36, 1104055), (45, 883244), (60, 662433), (90, 441622), (180, 220811)]