24690520

素因数分解:

$2^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{1237}}^1$

素因数の和:1747

約数の個数: 32

約数和(自身を含む): 55710000

約数和(自身を除く): 31019480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 499, 998, 1237, 1996, 2474, 2495, 3992, 4948, 4990, 6185, 9896, 9980, 12370, 19960, 24740, 49480, 617263, 1234526, 2469052, 3086315, 4938104, 6172630, 12345260, 24690520]

約数ペア:

[(1, 24690520), (2, 12345260), (4, 6172630), (5, 4938104), (8, 3086315), (10, 2469052), (20, 1234526), (40, 617263), (499, 49480), (998, 24740), (1237, 19960), (1996, 12370), (2474, 9980), (2495, 9896), (3992, 6185), (4948, 4990)]