200968720

素因数分解:

$2^4\times 5^1\times {\mathrm{2512109}}^1$

素因数の和:2512122

約数の個数: 20

約数和(自身を含む): 467252460

約数和(自身を除く): 266283740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2512109, 5024218, 10048436, 12560545, 20096872, 25121090, 40193744, 50242180, 100484360, 200968720]

約数ペア:

[(1, 200968720), (2, 100484360), (4, 50242180), (5, 40193744), (8, 25121090), (10, 20096872), (16, 12560545), (20, 10048436), (40, 5024218), (80, 2512109)]