67040840

素因数分解:

$2^3\times 5^1\times {\mathrm{479}}^1\times {\mathrm{3499}}^1$

素因数の和:3989

約数の個数: 32

約数和(自身を含む): 151200000

約数和(自身を除く): 84159160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 479, 958, 1916, 2395, 3499, 3832, 4790, 6998, 9580, 13996, 17495, 19160, 27992, 34990, 69980, 139960, 1676021, 3352042, 6704084, 8380105, 13408168, 16760210, 33520420, 67040840]

約数ペア:

[(1, 67040840), (2, 33520420), (4, 16760210), (5, 13408168), (8, 8380105), (10, 6704084), (20, 3352042), (40, 1676021), (479, 139960), (958, 69980), (1916, 34990), (2395, 27992), (3499, 19160), (3832, 17495), (4790, 13996), (6998, 9580)]