28687600

素因数分解:

$2^4\times 5^2\times {\mathrm{71719}}^1$

素因数の和:71737

約数の個数: 30

約数和(自身を含む): 68922920

約数和(自身を除く): 40235320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 71719, 143438, 286876, 358595, 573752, 717190, 1147504, 1434380, 1792975, 2868760, 3585950, 5737520, 7171900, 14343800, 28687600]

約数ペア:

[(1, 28687600), (2, 14343800), (4, 7171900), (5, 5737520), (8, 3585950), (10, 2868760), (16, 1792975), (20, 1434380), (25, 1147504), (40, 717190), (50, 573752), (80, 358595), (100, 286876), (200, 143438), (400, 71719)]