12784960

素因数分解:

$2^6\times 5^1\times {\mathrm{39953}}^1$

素因数の和:39970

約数の個数: 28

約数和(自身を含む): 30444948

約数和(自身を除く): 17659988

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 39953, 79906, 159812, 199765, 319624, 399530, 639248, 799060, 1278496, 1598120, 2556992, 3196240, 6392480, 12784960]

約数ペア:

[(1, 12784960), (2, 6392480), (4, 3196240), (5, 2556992), (8, 1598120), (10, 1278496), (16, 799060), (20, 639248), (32, 399530), (40, 319624), (64, 199765), (80, 159812), (160, 79906), (320, 39953)]