78825200

素因数分解:

$2^4\times 5^2\times {\mathrm{197063}}^1$

素因数の和:197081

約数の個数: 30

約数和(自身を含む): 189378504

約数和(自身を除く): 110553304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 197063, 394126, 788252, 985315, 1576504, 1970630, 3153008, 3941260, 4926575, 7882520, 9853150, 15765040, 19706300, 39412600, 78825200]

約数ペア:

[(1, 78825200), (2, 39412600), (4, 19706300), (5, 15765040), (8, 9853150), (10, 7882520), (16, 4926575), (20, 3941260), (25, 3153008), (40, 1970630), (50, 1576504), (80, 985315), (100, 788252), (200, 394126), (400, 197063)]