205182400

素因数分解:

$2^6\times 5^2\times {\mathrm{128239}}^1$

素因数の和:128261

約数の個数: 42

約数和(自身を含む): 504880880

約数和(自身を除く): 299698480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 128239, 256478, 512956, 641195, 1025912, 1282390, 2051824, 2564780, 3205975, 4103648, 5129560, 6411950, 8207296, 10259120, 12823900, 20518240, 25647800, 41036480, 51295600, 102591200, 205182400]

約数ペア:

[(1, 205182400), (2, 102591200), (4, 51295600), (5, 41036480), (8, 25647800), (10, 20518240), (16, 12823900), (20, 10259120), (25, 8207296), (32, 6411950), (40, 5129560), (50, 4103648), (64, 3205975), (80, 2564780), (100, 2051824), (160, 1282390), (200, 1025912), (320, 641195), (400, 512956), (800, 256478), (1600, 128239)]