19288000

素因数分解:

$2^6\times 5^3\times {\mathrm{2411}}^1$

素因数の和:2438

約数の個数: 56

約数和(自身を含む): 47786544

約数和(自身を除く): 28498544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 800, 1000, 1600, 2000, 2411, 4000, 4822, 8000, 9644, 12055, 19288, 24110, 38576, 48220, 60275, 77152, 96440, 120550, 154304, 192880, 241100, 301375, 385760, 482200, 602750, 771520, 964400, 1205500, 1928800, 2411000, 3857600, 4822000, 9644000, 19288000]

約数ペア:

[(1, 19288000), (2, 9644000), (4, 4822000), (5, 3857600), (8, 2411000), (10, 1928800), (16, 1205500), (20, 964400), (25, 771520), (32, 602750), (40, 482200), (50, 385760), (64, 301375), (80, 241100), (100, 192880), (125, 154304), (160, 120550), (200, 96440), (250, 77152), (320, 60275), (400, 48220), (500, 38576), (800, 24110), (1000, 19288), (1600, 12055), (2000, 9644), (2411, 8000), (4000, 4822)]