978250180

素因数分解:

$2^2\times 5^1\times {\mathrm{48912509}}^1$

素因数の和:48912518

約数の個数: 12

約数和(自身を含む): 2054325420

約数和(自身を除く): 1076075240

約数列:

[1, 2, 4, 5, 10, 20, 48912509, 97825018, 195650036, 244562545, 489125090, 978250180]

約数ペア:

[(1, 978250180), (2, 489125090), (4, 244562545), (5, 195650036), (10, 97825018), (20, 48912509)]