12489440

素因数分解:

$2^5\times 5^1\times {\mathrm{78059}}^1$

素因数の和:78074

約数の個数: 24

約数和(自身を含む): 29506680

約数和(自身を除く): 17017240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 78059, 156118, 312236, 390295, 624472, 780590, 1248944, 1561180, 2497888, 3122360, 6244720, 12489440]

約数ペア:

[(1, 12489440), (2, 6244720), (4, 3122360), (5, 2497888), (8, 1561180), (10, 1248944), (16, 780590), (20, 624472), (32, 390295), (40, 312236), (80, 156118), (160, 78059)]