105280400

素因数分解:

$2^4\times 5^2\times {\mathrm{263201}}^1$

素因数の和:263219

約数の個数: 30

約数和(自身を含む): 252937122

約数和(自身を除く): 147656722

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 263201, 526402, 1052804, 1316005, 2105608, 2632010, 4211216, 5264020, 6580025, 10528040, 13160050, 21056080, 26320100, 52640200, 105280400]

約数ペア:

[(1, 105280400), (2, 52640200), (4, 26320100), (5, 21056080), (8, 13160050), (10, 10528040), (16, 6580025), (20, 5264020), (25, 4211216), (40, 2632010), (50, 2105608), (80, 1316005), (100, 1052804), (200, 526402), (400, 263201)]