80428208

素因数分解:

$2^4\times 7^2\times {\mathrm{102587}}^1$

素因数の和:102609

約数の個数: 30

約数和(自身を含む): 181272996

約数和(自身を除く): 100844788

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 102587, 205174, 410348, 718109, 820696, 1436218, 1641392, 2872436, 5026763, 5744872, 10053526, 11489744, 20107052, 40214104, 80428208]

約数ペア:

[(1, 80428208), (2, 40214104), (4, 20107052), (7, 11489744), (8, 10053526), (14, 5744872), (16, 5026763), (28, 2872436), (49, 1641392), (56, 1436218), (98, 820696), (112, 718109), (196, 410348), (392, 205174), (784, 102587)]