161946320

素因数分解:

$2^4\times 5^1\times {\mathrm{2024329}}^1$

素因数の和:2024342

約数の個数: 20

約数和(自身を含む): 376525380

約数和(自身を除く): 214579060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2024329, 4048658, 8097316, 10121645, 16194632, 20243290, 32389264, 40486580, 80973160, 161946320]

約数ペア:

[(1, 161946320), (2, 80973160), (4, 40486580), (5, 32389264), (8, 20243290), (10, 16194632), (16, 10121645), (20, 8097316), (40, 4048658), (80, 2024329)]