16140680

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2903}}^1$

素因数の和:3053

約数の個数: 32

約数和(自身を含む): 36590400

約数和(自身を除く): 20449720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 2903, 5560, 5806, 11612, 14515, 23224, 29030, 58060, 116120, 403517, 807034, 1614068, 2017585, 3228136, 4035170, 8070340, 16140680]

約数ペア:

[(1, 16140680), (2, 8070340), (4, 4035170), (5, 3228136), (8, 2017585), (10, 1614068), (20, 807034), (40, 403517), (139, 116120), (278, 58060), (556, 29030), (695, 23224), (1112, 14515), (1390, 11612), (2780, 5806), (2903, 5560)]