30912880

素因数分解:

$2^4\times 5^1\times {\mathrm{386411}}^1$

素因数の和:386424

約数の個数: 20

約数和(自身を含む): 71872632

約数和(自身を除く): 40959752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 386411, 772822, 1545644, 1932055, 3091288, 3864110, 6182576, 7728220, 15456440, 30912880]

約数ペア:

[(1, 30912880), (2, 15456440), (4, 7728220), (5, 6182576), (8, 3864110), (10, 3091288), (16, 1932055), (20, 1545644), (40, 772822), (80, 386411)]