201640349720

素因数分解:

$2^3\times 5^1\times {\mathrm{5041008743}}^1$

素因数の和:5041008754

約数の個数: 16

約数和(自身を含む): 453690786960

約数和(自身を除く): 252050437240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5041008743, 10082017486, 20164034972, 25205043715, 40328069944, 50410087430, 100820174860, 201640349720]

約数ペア:

[(1, 201640349720), (2, 100820174860), (4, 50410087430), (5, 40328069944), (8, 25205043715), (10, 20164034972), (20, 10082017486), (40, 5041008743)]