130402880

素因数分解:

$2^6\times 5^1\times {\mathrm{407509}}^1$

素因数の和:407526

約数の個数: 28

約数和(自身を含む): 310522620

約数和(自身を除く): 180119740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 407509, 815018, 1630036, 2037545, 3260072, 4075090, 6520144, 8150180, 13040288, 16300360, 26080576, 32600720, 65201440, 130402880]

約数ペア:

[(1, 130402880), (2, 65201440), (4, 32600720), (5, 26080576), (8, 16300360), (10, 13040288), (16, 8150180), (20, 6520144), (32, 4075090), (40, 3260072), (64, 2037545), (80, 1630036), (160, 815018), (320, 407509)]