53947100

素因数分解:

$2^2\times 5^2\times {\mathrm{409}}^1\times {\mathrm{1319}}^1$

素因数の和:1742

約数の個数: 36

約数和(自身を含む): 117440400

約数和(自身を除く): 63493300

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 409, 818, 1319, 1636, 2045, 2638, 4090, 5276, 6595, 8180, 10225, 13190, 20450, 26380, 32975, 40900, 65950, 131900, 539471, 1078942, 2157884, 2697355, 5394710, 10789420, 13486775, 26973550, 53947100]

約数ペア:

[(1, 53947100), (2, 26973550), (4, 13486775), (5, 10789420), (10, 5394710), (20, 2697355), (25, 2157884), (50, 1078942), (100, 539471), (409, 131900), (818, 65950), (1319, 40900), (1636, 32975), (2045, 26380), (2638, 20450), (4090, 13190), (5276, 10225), (6595, 8180)]