219288436720

素因数分解:

$2^4\times 5^1\times {\mathrm{2741105459}}^1$

素因数の和:2741105472

約数の個数: 20

約数和(自身を含む): 509845615560

約数和(自身を除く): 290557178840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2741105459, 5482210918, 10964421836, 13705527295, 21928843672, 27411054590, 43857687344, 54822109180, 109644218360, 219288436720]

約数ペア:

[(1, 219288436720), (2, 109644218360), (4, 54822109180), (5, 43857687344), (8, 27411054590), (10, 21928843672), (16, 13705527295), (20, 10964421836), (40, 5482210918), (80, 2741105459)]