19630400

素因数分解:

$2^6\times 5^2\times {\mathrm{12269}}^1$

素因数の和:12291

約数の個数: 42

約数和(自身を含む): 48306990

約数和(自身を除く): 28676590

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 12269, 24538, 49076, 61345, 98152, 122690, 196304, 245380, 306725, 392608, 490760, 613450, 785216, 981520, 1226900, 1963040, 2453800, 3926080, 4907600, 9815200, 19630400]

約数ペア:

[(1, 19630400), (2, 9815200), (4, 4907600), (5, 3926080), (8, 2453800), (10, 1963040), (16, 1226900), (20, 981520), (25, 785216), (32, 613450), (40, 490760), (50, 392608), (64, 306725), (80, 245380), (100, 196304), (160, 122690), (200, 98152), (320, 61345), (400, 49076), (800, 24538), (1600, 12269)]