2019995210

素因数分解:

$2^1\times 5^1\times {\mathrm{1249}}^1\times {\mathrm{161729}}^1$

素因数の和:162985

約数の個数: 16

約数和(自身を含む): 3638925000

約数和(自身を除く): 1618929790

約数列:

[1, 2, 5, 10, 1249, 2498, 6245, 12490, 161729, 323458, 808645, 1617290, 201999521, 403999042, 1009997605, 2019995210]

約数ペア:

[(1, 2019995210), (2, 1009997605), (5, 403999042), (10, 201999521), (1249, 1617290), (2498, 808645), (6245, 323458), (12490, 161729)]