408055580

素因数分解:

$2^2\times 5^1\times {\mathrm{1741}}^1\times {\mathrm{11719}}^1$

素因数の和:13469

約数の個数: 24

約数和(自身を含む): 857482080

約数和(自身を除く): 449426500

約数列:

[1, 2, 4, 5, 10, 20, 1741, 3482, 6964, 8705, 11719, 17410, 23438, 34820, 46876, 58595, 117190, 234380, 20402779, 40805558, 81611116, 102013895, 204027790, 408055580]

約数ペア:

[(1, 408055580), (2, 204027790), (4, 102013895), (5, 81611116), (10, 40805558), (20, 20402779), (1741, 234380), (3482, 117190), (6964, 58595), (8705, 46876), (11719, 34820), (17410, 23438)]