28728800

素因数分解:

$2^5\times 5^2\times {\mathrm{35911}}^1$

素因数の和:35931

約数の個数: 36

約数和(自身を含む): 70136136

約数和(自身を除く): 41407336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 35911, 71822, 143644, 179555, 287288, 359110, 574576, 718220, 897775, 1149152, 1436440, 1795550, 2872880, 3591100, 5745760, 7182200, 14364400, 28728800]

約数ペア:

[(1, 28728800), (2, 14364400), (4, 7182200), (5, 5745760), (8, 3591100), (10, 2872880), (16, 1795550), (20, 1436440), (25, 1149152), (32, 897775), (40, 718220), (50, 574576), (80, 359110), (100, 287288), (160, 179555), (200, 143644), (400, 71822), (800, 35911)]