2019923120

素因数分解:

$2^4\times 5^1\times {\mathrm{25249039}}^1$

素因数の和:25249052

約数の個数: 20

約数和(自身を含む): 4696321440

約数和(自身を除く): 2676398320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25249039, 50498078, 100996156, 126245195, 201992312, 252490390, 403984624, 504980780, 1009961560, 2019923120]

約数ペア:

[(1, 2019923120), (2, 1009961560), (4, 504980780), (5, 403984624), (8, 252490390), (10, 201992312), (16, 126245195), (20, 100996156), (40, 50498078), (80, 25249039)]