1260201620

素因数分解:

$2^2\times 5^1\times {\mathrm{63010081}}^1$

素因数の和:63010090

約数の個数: 12

約数和(自身を含む): 2646423444

約数和(自身を除く): 1386221824

約数列:

[1, 2, 4, 5, 10, 20, 63010081, 126020162, 252040324, 315050405, 630100810, 1260201620]

約数ペア:

[(1, 1260201620), (2, 630100810), (4, 315050405), (5, 252040324), (10, 126020162), (20, 63010081)]