198184880

素因数分解:

$2^4\times 5^1\times {\mathrm{2477311}}^1$

素因数の和:2477324

約数の個数: 20

約数和(自身を含む): 460780032

約数和(自身を除く): 262595152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2477311, 4954622, 9909244, 12386555, 19818488, 24773110, 39636976, 49546220, 99092440, 198184880]

約数ペア:

[(1, 198184880), (2, 99092440), (4, 49546220), (5, 39636976), (8, 24773110), (10, 19818488), (16, 12386555), (20, 9909244), (40, 4954622), (80, 2477311)]