40820840

素因数分解:

$2^3\times 5^1\times {\mathrm{971}}^1\times {\mathrm{1051}}^1$

素因数の和:2033

約数の個数: 32

約数和(自身を含む): 92028960

約数和(自身を除く): 51208120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 971, 1051, 1942, 2102, 3884, 4204, 4855, 5255, 7768, 8408, 9710, 10510, 19420, 21020, 38840, 42040, 1020521, 2041042, 4082084, 5102605, 8164168, 10205210, 20410420, 40820840]

約数ペア:

[(1, 40820840), (2, 20410420), (4, 10205210), (5, 8164168), (8, 5102605), (10, 4082084), (20, 2041042), (40, 1020521), (971, 42040), (1051, 38840), (1942, 21020), (2102, 19420), (3884, 10510), (4204, 9710), (4855, 8408), (5255, 7768)]