40667020

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{8101}}^1$

素因数の和:8361

約数の個数: 24

約数和(自身を含む): 85751568

約数和(自身を除く): 45084548

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 5020, 8101, 16202, 32404, 40505, 81010, 162020, 2033351, 4066702, 8133404, 10166755, 20333510, 40667020]

約数ペア:

[(1, 40667020), (2, 20333510), (4, 10166755), (5, 8133404), (10, 4066702), (20, 2033351), (251, 162020), (502, 81010), (1004, 40505), (1255, 32404), (2510, 16202), (5020, 8101)]