198710480

素因数分解:

$2^4\times 5^1\times {\mathrm{2483881}}^1$

素因数の和:2483894

約数の個数: 20

約数和(自身を含む): 462002052

約数和(自身を除く): 263291572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2483881, 4967762, 9935524, 12419405, 19871048, 24838810, 39742096, 49677620, 99355240, 198710480]

約数ペア:

[(1, 198710480), (2, 99355240), (4, 49677620), (5, 39742096), (8, 24838810), (10, 19871048), (16, 12419405), (20, 9935524), (40, 4967762), (80, 2483881)]