7945220

素因数分解:

$2^2\times 5^1\times {\mathrm{601}}^1\times {\mathrm{661}}^1$

素因数の和:1271

約数の個数: 24

約数和(自身を含む): 16738008

約数和(自身を除く): 8792788

約数列:

[1, 2, 4, 5, 10, 20, 601, 661, 1202, 1322, 2404, 2644, 3005, 3305, 6010, 6610, 12020, 13220, 397261, 794522, 1589044, 1986305, 3972610, 7945220]

約数ペア:

[(1, 7945220), (2, 3972610), (4, 1986305), (5, 1589044), (10, 794522), (20, 397261), (601, 13220), (661, 12020), (1202, 6610), (1322, 6010), (2404, 3305), (2644, 3005)]