12358400

素因数分解:

$2^8\times 5^2\times {\mathrm{1931}}^1$

素因数の和:1957

約数の個数: 54

約数和(自身を含む): 30604812

約数和(自身を除く): 18246412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 1931, 3200, 3862, 6400, 7724, 9655, 15448, 19310, 30896, 38620, 48275, 61792, 77240, 96550, 123584, 154480, 193100, 247168, 308960, 386200, 494336, 617920, 772400, 1235840, 1544800, 2471680, 3089600, 6179200, 12358400]

約数ペア:

[(1, 12358400), (2, 6179200), (4, 3089600), (5, 2471680), (8, 1544800), (10, 1235840), (16, 772400), (20, 617920), (25, 494336), (32, 386200), (40, 308960), (50, 247168), (64, 193100), (80, 154480), (100, 123584), (128, 96550), (160, 77240), (200, 61792), (256, 48275), (320, 38620), (400, 30896), (640, 19310), (800, 15448), (1280, 9655), (1600, 7724), (1931, 6400), (3200, 3862)]