327200

素因数分解:

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

素因数の和:429

約数の個数: 36

約数和(自身を含む): 800730

約数和(自身を除く): 473530

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 409, 800, 818, 1636, 2045, 3272, 4090, 6544, 8180, 10225, 13088, 16360, 20450, 32720, 40900, 65440, 81800, 163600, 327200]

約数ペア:

[(1, 327200), (2, 163600), (4, 81800), (5, 65440), (8, 40900), (10, 32720), (16, 20450), (20, 16360), (25, 13088), (32, 10225), (40, 8180), (50, 6544), (80, 4090), (100, 3272), (160, 2045), (200, 1636), (400, 818), (409, 800)]