78725620

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{17189}}^1$

素因数の和:17427

約数の個数: 24

約数和(自身を含む): 166055400

約数和(自身を除く): 87329780

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 1145, 2290, 4580, 17189, 34378, 68756, 85945, 171890, 343780, 3936281, 7872562, 15745124, 19681405, 39362810, 78725620]

約数ペア:

[(1, 78725620), (2, 39362810), (4, 19681405), (5, 15745124), (10, 7872562), (20, 3936281), (229, 343780), (458, 171890), (916, 85945), (1145, 68756), (2290, 34378), (4580, 17189)]