25827680

素因数分解:

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

素因数の和:831

約数の個数: 48

約数和(自身を含む): 61326720

約数和(自身を除く): 35499040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 337, 479, 674, 958, 1348, 1685, 1916, 2395, 2696, 3370, 3832, 4790, 5392, 6740, 7664, 9580, 10784, 13480, 15328, 19160, 26960, 38320, 53920, 76640, 161423, 322846, 645692, 807115, 1291384, 1614230, 2582768, 3228460, 5165536, 6456920, 12913840, 25827680]

約数ペア:

[(1, 25827680), (2, 12913840), (4, 6456920), (5, 5165536), (8, 3228460), (10, 2582768), (16, 1614230), (20, 1291384), (32, 807115), (40, 645692), (80, 322846), (160, 161423), (337, 76640), (479, 53920), (674, 38320), (958, 26960), (1348, 19160), (1685, 15328), (1916, 13480), (2395, 10784), (2696, 9580), (3370, 7664), (3832, 6740), (4790, 5392)]