3918804940

素因数分解:

$2^2\times 5^1\times {\mathrm{195940247}}^1$

素因数の和:195940256

約数の個数: 12

約数和(自身を含む): 8229490416

約数和(自身を除く): 4310685476

約数列:

[1, 2, 4, 5, 10, 20, 195940247, 391880494, 783760988, 979701235, 1959402470, 3918804940]

約数ペア:

[(1, 3918804940), (2, 1959402470), (4, 979701235), (5, 783760988), (10, 391880494), (20, 195940247)]