77726120

素因数分解:

$2^3\times 5^1\times {\mathrm{997}}^1\times {\mathrm{1949}}^1$

素因数の和:2957

約数の個数: 32

約数和(自身を含む): 175149000

約数和(自身を除く): 97422880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 997, 1949, 1994, 3898, 3988, 4985, 7796, 7976, 9745, 9970, 15592, 19490, 19940, 38980, 39880, 77960, 1943153, 3886306, 7772612, 9715765, 15545224, 19431530, 38863060, 77726120]

約数ペア:

[(1, 77726120), (2, 38863060), (4, 19431530), (5, 15545224), (8, 9715765), (10, 7772612), (20, 3886306), (40, 1943153), (997, 77960), (1949, 39880), (1994, 38980), (3898, 19940), (3988, 19490), (4985, 15592), (7796, 9970), (7976, 9745)]