55716400

素因数分解:

$2^4\times 5^2\times {\mathrm{139291}}^1$

素因数の和:139309

約数の個数: 30

約数和(自身を含む): 133859612

約数和(自身を除く): 78143212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 139291, 278582, 557164, 696455, 1114328, 1392910, 2228656, 2785820, 3482275, 5571640, 6964550, 11143280, 13929100, 27858200, 55716400]

約数ペア:

[(1, 55716400), (2, 27858200), (4, 13929100), (5, 11143280), (8, 6964550), (10, 5571640), (16, 3482275), (20, 2785820), (25, 2228656), (40, 1392910), (50, 1114328), (80, 696455), (100, 557164), (200, 278582), (400, 139291)]