65386120

素因数分解:

$2^3\times 5^1\times {\mathrm{661}}^1\times {\mathrm{2473}}^1$

素因数の和:3145

約数の個数: 32

約数和(自身を含む): 147400920

約数和(自身を除く): 82014800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 661, 1322, 2473, 2644, 3305, 4946, 5288, 6610, 9892, 12365, 13220, 19784, 24730, 26440, 49460, 98920, 1634653, 3269306, 6538612, 8173265, 13077224, 16346530, 32693060, 65386120]

約数ペア:

[(1, 65386120), (2, 32693060), (4, 16346530), (5, 13077224), (8, 8173265), (10, 6538612), (20, 3269306), (40, 1634653), (661, 98920), (1322, 49460), (2473, 26440), (2644, 24730), (3305, 19784), (4946, 13220), (5288, 12365), (6610, 9892)]