40742140

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{7517}}^1$

素因数の和:7797

約数の個数: 24

約数和(自身を含む): 85885632

約数和(自身を除く): 45143492

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 5420, 7517, 15034, 30068, 37585, 75170, 150340, 2037107, 4074214, 8148428, 10185535, 20371070, 40742140]

約数ペア:

[(1, 40742140), (2, 20371070), (4, 10185535), (5, 8148428), (10, 4074214), (20, 2037107), (271, 150340), (542, 75170), (1084, 37585), (1355, 30068), (2710, 15034), (5420, 7517)]