123651520

素因数分解:

$2^6\times 5^1\times {\mathrm{386411}}^1$

素因数の和:386428

約数の個数: 28

約数和(自身を含む): 294445944

約数和(自身を除く): 170794424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 386411, 772822, 1545644, 1932055, 3091288, 3864110, 6182576, 7728220, 12365152, 15456440, 24730304, 30912880, 61825760, 123651520]

約数ペア:

[(1, 123651520), (2, 61825760), (4, 30912880), (5, 24730304), (8, 15456440), (10, 12365152), (16, 7728220), (20, 6182576), (32, 3864110), (40, 3091288), (64, 1932055), (80, 1545644), (160, 772822), (320, 386411)]