71066440

素因数分解:

$2^3\times 5^1\times {\mathrm{887}}^1\times {\mathrm{2003}}^1$

素因数の和:2901

約数の個数: 32

約数和(自身を含む): 160159680

約数和(自身を除く): 89093240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 887, 1774, 2003, 3548, 4006, 4435, 7096, 8012, 8870, 10015, 16024, 17740, 20030, 35480, 40060, 80120, 1776661, 3553322, 7106644, 8883305, 14213288, 17766610, 35533220, 71066440]

約数ペア:

[(1, 71066440), (2, 35533220), (4, 17766610), (5, 14213288), (8, 8883305), (10, 7106644), (20, 3553322), (40, 1776661), (887, 80120), (1774, 40060), (2003, 35480), (3548, 20030), (4006, 17740), (4435, 16024), (7096, 10015), (8012, 8870)]