51376280

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{31327}}^1$

素因数の和:31379

約数の個数: 32

約数和(自身を含む): 118419840

約数和(自身を除く): 67043560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 31327, 62654, 125308, 156635, 250616, 313270, 626540, 1253080, 1284407, 2568814, 5137628, 6422035, 10275256, 12844070, 25688140, 51376280]

約数ペア:

[(1, 51376280), (2, 25688140), (4, 12844070), (5, 10275256), (8, 6422035), (10, 5137628), (20, 2568814), (40, 1284407), (41, 1253080), (82, 626540), (164, 313270), (205, 250616), (328, 156635), (410, 125308), (820, 62654), (1640, 31327)]