248248720

素因数分解:

$2^4\times 5^1\times {\mathrm{3103109}}^1$

素因数の和:3103122

約数の個数: 20

約数和(自身を含む): 577178460

約数和(自身を除く): 328929740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3103109, 6206218, 12412436, 15515545, 24824872, 31031090, 49649744, 62062180, 124124360, 248248720]

約数ペア:

[(1, 248248720), (2, 124124360), (4, 62062180), (5, 49649744), (8, 31031090), (10, 24824872), (16, 15515545), (20, 12412436), (40, 6206218), (80, 3103109)]