139678480

素因数分解:

$2^4\times 5^1\times {\mathrm{431}}^1\times {\mathrm{4051}}^1$

素因数の和:4495

約数の個数: 40

約数和(自身を含む): 325586304

約数和(自身を除く): 185907824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 431, 862, 1724, 2155, 3448, 4051, 4310, 6896, 8102, 8620, 16204, 17240, 20255, 32408, 34480, 40510, 64816, 81020, 162040, 324080, 1745981, 3491962, 6983924, 8729905, 13967848, 17459810, 27935696, 34919620, 69839240, 139678480]

約数ペア:

[(1, 139678480), (2, 69839240), (4, 34919620), (5, 27935696), (8, 17459810), (10, 13967848), (16, 8729905), (20, 6983924), (40, 3491962), (80, 1745981), (431, 324080), (862, 162040), (1724, 81020), (2155, 64816), (3448, 40510), (4051, 34480), (4310, 32408), (6896, 20255), (8102, 17240), (8620, 16204)]