100428800

素因数分解:

$2^{10}\times 5^2\times {\mathrm{3923}}^1$

素因数の和:3953

約数の個数: 66

約数和(自身を含む): 249005268

約数和(自身を除く): 148576468

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1024, 1280, 1600, 2560, 3200, 3923, 5120, 6400, 7846, 12800, 15692, 19615, 25600, 31384, 39230, 62768, 78460, 98075, 125536, 156920, 196150, 251072, 313840, 392300, 502144, 627680, 784600, 1004288, 1255360, 1569200, 2008576, 2510720, 3138400, 4017152, 5021440, 6276800, 10042880, 12553600, 20085760, 25107200, 50214400, 100428800]

約数ペア:

[(1, 100428800), (2, 50214400), (4, 25107200), (5, 20085760), (8, 12553600), (10, 10042880), (16, 6276800), (20, 5021440), (25, 4017152), (32, 3138400), (40, 2510720), (50, 2008576), (64, 1569200), (80, 1255360), (100, 1004288), (128, 784600), (160, 627680), (200, 502144), (256, 392300), (320, 313840), (400, 251072), (512, 196150), (640, 156920), (800, 125536), (1024, 98075), (1280, 78460), (1600, 62768), (2560, 39230), (3200, 31384), (3923, 25600), (5120, 19615), (6400, 15692), (7846, 12800)]