9966800

素因数分解:

$2^4\times 5^2\times {\mathrm{24917}}^1$

素因数の和:24935

約数の個数: 30

約数和(自身を含む): 23946198

約数和(自身を除く): 13979398

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 24917, 49834, 99668, 124585, 199336, 249170, 398672, 498340, 622925, 996680, 1245850, 1993360, 2491700, 4983400, 9966800]

約数ペア:

[(1, 9966800), (2, 4983400), (4, 2491700), (5, 1993360), (8, 1245850), (10, 996680), (16, 622925), (20, 498340), (25, 398672), (40, 249170), (50, 199336), (80, 124585), (100, 99668), (200, 49834), (400, 24917)]