12913840

素因数分解:

$2^4\times 5^1\times {\mathrm{337}}^1\times {\mathrm{479}}^1$

素因数の和:829

約数の個数: 40

約数和(自身を含む): 30176640

約数和(自身を除く): 17262800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 337, 479, 674, 958, 1348, 1685, 1916, 2395, 2696, 3370, 3832, 4790, 5392, 6740, 7664, 9580, 13480, 19160, 26960, 38320, 161423, 322846, 645692, 807115, 1291384, 1614230, 2582768, 3228460, 6456920, 12913840]

約数ペア:

[(1, 12913840), (2, 6456920), (4, 3228460), (5, 2582768), (8, 1614230), (10, 1291384), (16, 807115), (20, 645692), (40, 322846), (80, 161423), (337, 38320), (479, 26960), (674, 19160), (958, 13480), (1348, 9580), (1685, 7664), (1916, 6740), (2395, 5392), (2696, 4790), (3370, 3832)]