1878322580

素因数分解:

$2^2\times 5^1\times {\mathrm{93916129}}^1$

素因数の和:93916138

約数の個数: 12

約数和(自身を含む): 3944477460

約数和(自身を除く): 2066154880

約数列:

[1, 2, 4, 5, 10, 20, 93916129, 187832258, 375664516, 469580645, 939161290, 1878322580]

約数ペア:

[(1, 1878322580), (2, 939161290), (4, 469580645), (5, 375664516), (10, 187832258), (20, 93916129)]