3840400

素因数分解:

$2^4\times 5^2\times {\mathrm{9601}}^1$

素因数の和:9619

約数の個数: 30

約数和(自身を含む): 9227522

約数和(自身を除く): 5387122

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 9601, 19202, 38404, 48005, 76808, 96010, 153616, 192020, 240025, 384040, 480050, 768080, 960100, 1920200, 3840400]

約数ペア:

[(1, 3840400), (2, 1920200), (4, 960100), (5, 768080), (8, 480050), (10, 384040), (16, 240025), (20, 192020), (25, 153616), (40, 96010), (50, 76808), (80, 48005), (100, 38404), (200, 19202), (400, 9601)]