9004400

素因数分解:

$2^4\times 5^2\times {\mathrm{22511}}^1$

素因数の和:22529

約数の個数: 30

約数和(自身を含む): 21634032

約数和(自身を除く): 12629632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 22511, 45022, 90044, 112555, 180088, 225110, 360176, 450220, 562775, 900440, 1125550, 1800880, 2251100, 4502200, 9004400]

約数ペア:

[(1, 9004400), (2, 4502200), (4, 2251100), (5, 1800880), (8, 1125550), (10, 900440), (16, 562775), (20, 450220), (25, 360176), (40, 225110), (50, 180088), (80, 112555), (100, 90044), (200, 45022), (400, 22511)]