985810040

素因数分解:

$2^3\times 5^1\times {\mathrm{24645251}}^1$

素因数の和:24645262

約数の個数: 16

約数和(自身を含む): 2218072680

約数和(自身を除く): 1232262640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 24645251, 49290502, 98581004, 123226255, 197162008, 246452510, 492905020, 985810040]

約数ペア:

[(1, 985810040), (2, 492905020), (4, 246452510), (5, 197162008), (8, 123226255), (10, 98581004), (20, 49290502), (40, 24645251)]