40666160

素因数分解:

$2^4\times 5^1\times {\mathrm{508327}}^1$

素因数の和:508340

約数の個数: 20

約数和(自身を含む): 94549008

約数和(自身を除く): 53882848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 508327, 1016654, 2033308, 2541635, 4066616, 5083270, 8133232, 10166540, 20333080, 40666160]

約数ペア:

[(1, 40666160), (2, 20333080), (4, 10166540), (5, 8133232), (8, 5083270), (10, 4066616), (16, 2541635), (20, 2033308), (40, 1016654), (80, 508327)]