67800400

素因数分解:

$2^4\times 5^2\times {\mathrm{169501}}^1$

素因数の和:169519

約数の個数: 30

約数和(自身を含む): 162891422

約数和(自身を除く): 95091022

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 169501, 339002, 678004, 847505, 1356008, 1695010, 2712016, 3390020, 4237525, 6780040, 8475050, 13560080, 16950100, 33900200, 67800400]

約数ペア:

[(1, 67800400), (2, 33900200), (4, 16950100), (5, 13560080), (8, 8475050), (10, 6780040), (16, 4237525), (20, 3390020), (25, 2712016), (40, 1695010), (50, 1356008), (80, 847505), (100, 678004), (200, 339002), (400, 169501)]