8991680

素因数分解:

$2^6\times 5^1\times {\mathrm{28099}}^1$

素因数の和:28116

約数の個数: 28

約数和(自身を含む): 21412200

約数和(自身を除く): 12420520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 28099, 56198, 112396, 140495, 224792, 280990, 449584, 561980, 899168, 1123960, 1798336, 2247920, 4495840, 8991680]

約数ペア:

[(1, 8991680), (2, 4495840), (4, 2247920), (5, 1798336), (8, 1123960), (10, 899168), (16, 561980), (20, 449584), (32, 280990), (40, 224792), (64, 140495), (80, 112396), (160, 56198), (320, 28099)]