249062480

素因数分解:

$2^4\times 5^1\times {\mathrm{3113281}}^1$

素因数の和:3113294

約数の個数: 20

約数和(自身を含む): 579070452

約数和(自身を除く): 330007972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3113281, 6226562, 12453124, 15566405, 24906248, 31132810, 49812496, 62265620, 124531240, 249062480]

約数ペア:

[(1, 249062480), (2, 124531240), (4, 62265620), (5, 49812496), (8, 31132810), (10, 24906248), (16, 15566405), (20, 12453124), (40, 6226562), (80, 3113281)]