7872880

素因数分解:

$2^4\times 5^1\times {\mathrm{98411}}^1$

素因数の和:98424

約数の個数: 20

約数和(自身を含む): 18304632

約数和(自身を除く): 10431752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 98411, 196822, 393644, 492055, 787288, 984110, 1574576, 1968220, 3936440, 7872880]

約数ペア:

[(1, 7872880), (2, 3936440), (4, 1968220), (5, 1574576), (8, 984110), (10, 787288), (16, 492055), (20, 393644), (40, 196822), (80, 98411)]