981036380

素因数分解:

$2^2\times 5^1\times {\mathrm{49051819}}^1$

素因数の和:49051828

約数の個数: 12

約数和(自身を含む): 2060176440

約数和(自身を除く): 1079140060

約数列:

[1, 2, 4, 5, 10, 20, 49051819, 98103638, 196207276, 245259095, 490518190, 981036380]

約数ペア:

[(1, 981036380), (2, 490518190), (4, 245259095), (5, 196207276), (10, 98103638), (20, 49051819)]