78445960

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{4027}}^1$

素因数の和:4525

約数の個数: 32

約数和(自身を含む): 176909760

約数和(自身を除く): 98463800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 974, 1948, 2435, 3896, 4027, 4870, 8054, 9740, 16108, 19480, 20135, 32216, 40270, 80540, 161080, 1961149, 3922298, 7844596, 9805745, 15689192, 19611490, 39222980, 78445960]

約数ペア:

[(1, 78445960), (2, 39222980), (4, 19611490), (5, 15689192), (8, 9805745), (10, 7844596), (20, 3922298), (40, 1961149), (487, 161080), (974, 80540), (1948, 40270), (2435, 32216), (3896, 20135), (4027, 19480), (4870, 16108), (8054, 9740)]