9810040

素因数分解:

$2^3\times 5^1\times {\mathrm{245251}}^1$

素因数の和:245262

約数の個数: 16

約数和(自身を含む): 22072680

約数和(自身を除く): 12262640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 245251, 490502, 981004, 1226255, 1962008, 2452510, 4905020, 9810040]

約数ペア:

[(1, 9810040), (2, 4905020), (4, 2452510), (5, 1962008), (8, 1226255), (10, 981004), (20, 490502), (40, 245251)]