40419520

素因数分解:

$2^6\times 5^1\times {\mathrm{126311}}^1$

素因数の和:126328

約数の個数: 28

約数和(自身を含む): 96249744

約数和(自身を除く): 55830224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 126311, 252622, 505244, 631555, 1010488, 1263110, 2020976, 2526220, 4041952, 5052440, 8083904, 10104880, 20209760, 40419520]

約数ペア:

[(1, 40419520), (2, 20209760), (4, 10104880), (5, 8083904), (8, 5052440), (10, 4041952), (16, 2526220), (20, 2020976), (32, 1263110), (40, 1010488), (64, 631555), (80, 505244), (160, 252622), (320, 126311)]