11717500

素因数分解:

$2^2\times 5^4\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:176

約数の個数: 60

約数和(自身を含む): 26460280

約数和(自身を除く): 14742780

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 109, 125, 172, 215, 218, 250, 430, 436, 500, 545, 625, 860, 1075, 1090, 1250, 2150, 2180, 2500, 2725, 4300, 4687, 5375, 5450, 9374, 10750, 10900, 13625, 18748, 21500, 23435, 26875, 27250, 46870, 53750, 54500, 68125, 93740, 107500, 117175, 136250, 234350, 272500, 468700, 585875, 1171750, 2343500, 2929375, 5858750, 11717500]

約数ペア:

[(1, 11717500), (2, 5858750), (4, 2929375), (5, 2343500), (10, 1171750), (20, 585875), (25, 468700), (43, 272500), (50, 234350), (86, 136250), (100, 117175), (109, 107500), (125, 93740), (172, 68125), (215, 54500), (218, 53750), (250, 46870), (430, 27250), (436, 26875), (500, 23435), (545, 21500), (625, 18748), (860, 13625), (1075, 10900), (1090, 10750), (1250, 9374), (2150, 5450), (2180, 5375), (2500, 4687), (2725, 4300)]