164328421720

素因数分解:

$2^3\times 5^1\times {\mathrm{4108210543}}^1$

素因数の和:4108210554

約数の個数: 16

約数和(自身を含む): 369738948960

約数和(自身を除く): 205410527240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4108210543, 8216421086, 16432842172, 20541052715, 32865684344, 41082105430, 82164210860, 164328421720]

約数ペア:

[(1, 164328421720), (2, 82164210860), (4, 41082105430), (5, 32865684344), (8, 20541052715), (10, 16432842172), (20, 8216421086), (40, 4108210543)]