200180720

素因数分解:

$2^4\times 5^1\times {\mathrm{2502259}}^1$

素因数の和:2502272

約数の個数: 20

約数和(自身を含む): 465420360

約数和(自身を除く): 265239640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2502259, 5004518, 10009036, 12511295, 20018072, 25022590, 40036144, 50045180, 100090360, 200180720]

約数ペア:

[(1, 200180720), (2, 100090360), (4, 50045180), (5, 40036144), (8, 25022590), (10, 20018072), (16, 12511295), (20, 10009036), (40, 5004518), (80, 2502259)]