10240400

素因数分解:

$2^4\times 5^2\times {\mathrm{25601}}^1$

素因数の和:25619

約数の個数: 30

約数和(自身を含む): 24603522

約数和(自身を除く): 14363122

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 25601, 51202, 102404, 128005, 204808, 256010, 409616, 512020, 640025, 1024040, 1280050, 2048080, 2560100, 5120200, 10240400]

約数ペア:

[(1, 10240400), (2, 5120200), (4, 2560100), (5, 2048080), (8, 1280050), (10, 1024040), (16, 640025), (20, 512020), (25, 409616), (40, 256010), (50, 204808), (80, 128005), (100, 102404), (200, 51202), (400, 25601)]