8991136360

素因数分解:

$2^3\times 5^1\times {\mathrm{224778409}}^1$

素因数の和:224778420

約数の個数: 16

約数和(自身を含む): 20230056900

約数和(自身を除く): 11238920540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 224778409, 449556818, 899113636, 1123892045, 1798227272, 2247784090, 4495568180, 8991136360]

約数ペア:

[(1, 8991136360), (2, 4495568180), (4, 2247784090), (5, 1798227272), (8, 1123892045), (10, 899113636), (20, 449556818), (40, 224778409)]