12954800

素因数分解:

$2^4\times 5^2\times {\mathrm{139}}^1\times {\mathrm{233}}^1$

素因数の和:390

約数の個数: 60

約数和(自身を含む): 31482360

約数和(自身を除く): 18527560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 139, 200, 233, 278, 400, 466, 556, 695, 932, 1112, 1165, 1390, 1864, 2224, 2330, 2780, 3475, 3728, 4660, 5560, 5825, 6950, 9320, 11120, 11650, 13900, 18640, 23300, 27800, 32387, 46600, 55600, 64774, 93200, 129548, 161935, 259096, 323870, 518192, 647740, 809675, 1295480, 1619350, 2590960, 3238700, 6477400, 12954800]

約数ペア:

[(1, 12954800), (2, 6477400), (4, 3238700), (5, 2590960), (8, 1619350), (10, 1295480), (16, 809675), (20, 647740), (25, 518192), (40, 323870), (50, 259096), (80, 161935), (100, 129548), (139, 93200), (200, 64774), (233, 55600), (278, 46600), (400, 32387), (466, 27800), (556, 23300), (695, 18640), (932, 13900), (1112, 11650), (1165, 11120), (1390, 9320), (1864, 6950), (2224, 5825), (2330, 5560), (2780, 4660), (3475, 3728)]